hero course hanta sero x pregnant hero course reader twin sister of Katsuki bakugo

Genre: fluff, angst

quirk - firework 

y/n bakugou twin sister of katsuki who got accidentally got pregnant with hanta sero's baby. A hero course student from class 1-a.  she was only 16 at the time. tho she was in hero course like her twin bro katsuki. this news ruined her life well for the most part of it. 

her parents and he twin brother were behind her all the way supporting her through this. after a year you went back to school. you loved it. seeing your friends and teachers. your daughter miyuki who is 1 stayed at home with his grandparents. at lunch you showed pictures of your baby girl to your friends. they loved her. when katsuki and his friends came into the cafeteria. hanta was there with them.

He saw you and decided to be a man about it and asked to see his daughter well only if he could that is? he went up to you and asked if he could see pictures of his daughter just once you showed them to him. he left after that. 

after your daughter miyuki turned two hanta asked you out. when you were earning good money to look after your daughter and yourself as a young pro hero living in japan. you let hanta see his daughter miyuki in person. 

After two years Hanta asked you out after finding out you had a crush on him for 3 years and never told him once. He felt guilt for making you go through this all on your own. He moved in with you and his daughter miyuki you began your life with your daughter miyuki and bf hanta.

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You were only 15 at the time and just got into Ua high with your brother katsuki bakugo. You were put into class 1-a with him and made alot of friends. But what you didn't know was that you were going to be a teen mom at 16 and the father of the child had to be your crush hanta sero who fucked you up and then dated someone else. 

So this is what happened. y/n was walking with her two 4 best friends mina, myra, kyoka and toru in the hallway of the Ua before class when y/n saw her crush talking to a girl from the other hero course. You weren't going to deny that you were jealous of this. 

Your friend did try and confront you the best they could. But after a drunken night with your friends at momo's house playing a game of 7 minutes in heaven you and hanta ended up going too far that night. Even though you and him aren't really that close in class or outside of class.

It was awkward sleeping next to him that night. The next day you couldn't look at him in the eye in class at all. Until you couldn't do that anymore. 9 weeks later you were feeling sick after taking a test and you found out that you got pregnant. 

#You were freaking out that you got pregnant this early of age. Your parents tried to help you get through this, even your twin brother and friends and even the Ua staff tried to help in anyway they could. As for the father of the child hanta sero didn't care one bit or did he know about it as he started dating the girl he liked from hero class 1-b instead of you for a year.

But meanwhile back to now on the other hand your (t/b) katsuki told his mates what had happened cause they noticed y/n wasn't in class lately ''so your twin sis got pregnant with hanta's kid? Does he know?'' kirishima asked him

 ''haha your funny hanta'' the girl said to him in at the door ''no he doesn't know cause he doesn't care about my twin sister and that she has a crush on him at all i wonder if i told him now he wouldn't care one bit'' katsuki said to him worried that y/n is a t home annoyed and scared for her future as a hero and mother.

As the girl left class she went back to her friends. As Hanta went over to his mates. What he thought he still had. But they just went back to their seats and stayed quiet as Hanta walked pass them and to his seat. 

He was confused but after school Katsuki brought his mates and your friends over to see you. Cause they missed you. Around this time you're around 4 or 5 months long so your stomach is big. As they came into the house. Your friends found you in the living room watching tv with your health snacks.

They sat beside you ''Hey girl! How are you doing?'' mina asks you ''i'm good but a bit annoyed that i can't be in class with you guys but as soon as this is done then i'll be back in school hopefully'' you said to her

 ''so, .. do you know the gender?'' myra asked you ''yeah its a girl'' you said to her ''do you have a name or is that still up in the air question?'' izuku asked you ''i have a name for the girl already well i liked this name for a while'' you said to him ''so what is it then?'' Toru asked you ''it's miyuki '' you said to her ''that's a lovely name for your baby girl y/n'' momo said to you ''thanks i liked it a lot'' you said to her.

After they left the bakugo house and went home. Your twin brother sat beside you in the living room. He chatted with you a bit before your parents came back. He went to his room to do his homework. Your mom helped you with the baby yoga that your doctor told you to do or whatever even though you were 5 months long.

<<<<5 months later>>>
Your due date for next week and you were a bit more crankier and tired as your due date had to happen when you were alone. So you called your parents back because your water broke. Your twin brother was in class at the time of this. You were brought to a private room then to the delivery room. your son was finally born. 

You held your baby girl miyuki bakugo. (meaning of the name ''snow'') she had your ashen blonde hair her dad hanta's black eyes. For her face features (she had your eye, lip shape, her dad hanta's chin and ear shape) while your mom stayed in the visiting room with you and her newborn granddaughter miyuki

Your dad went out and called the Ua high to let out y/n's twin brother Katsuki so he could see his sister in hospital. Your dad picked him up from school. When they arrived at the hospital. They walked back to the private room. 

Katsuki walked in first. He saw his twin sister y/n and his newborn niece Miyuki. After you were let go from the hospital you stayed at home with help from your mom now and then. Until your daughter was 1 years old then you went back to school.

The staff and your friends were happy that you were back. At lunch you showed your friends your daughter miyuki , their niece. ''Aww he is so cute'' myra said to you ''yes he is so precious'' momo said to you ''thanks guys'' you said back to them. As your twin brother Katsuki came into the cafeteria with his mates. 

Your crush hanta that knocked you up was with him. Hanta saw you talking to your friends at the table. When he heard from his mates that he accidentally or on??? got y/n bakugo pregnant with his baby. 

he wanted to apologies to her for what he had done. So Hanta decided to be a man and walk over to you. ''y/n right? Can we talk privately?'' he asked you ''yeah fine sure what hanta?'' you asked him ''are you sure about this y/n?'' Mina asked ''yeah it's grand i'll be fine'' you said to her. As your best friends left the table and went over to another table to watch him like a hawk.

Hanta sighed and sat down beside you at the table. It was very very awkward ''so, what did you want to talk about?'' you asked him to break the silence at the table

 ''well 1) i wanted to apologies for getting you pregnant and 2) i was wondering if i could see pictures of my daughter ?'' he asked you. You thought about

 ''ok i accept you can see your kid but i can't fully accept your apology just yet i mean your probably going to be doing it again with your gf right? But anyway here are the pictures of baby miyuki'' you said to him showing him his daughter miyuki

 ''you named him with your last name right?'' he asked you ''yeah do you have a problem with that?'' you ask him as you put your phone away ''no no problem at all bye y/n'' he said to you and left the lunch cafeteria. As you went over to your friends and your twin brother katsuki.

As you sat down beside myra ''so what was that about?'' mina asked you ''oh he asked to see photos of his daughter miyuki which i did show him... he also tried to apologies to me but i said no cause he will probably do it again with the girl he is seeing anyway'' you said back to her ''oh so that was the talk ok'' tour said to you. 

''So can i ask sis... what's going to happen between you and him?'' katsuki asks you ''idk kat he is the biological father of my daughter miyuki but he doesn't have to be in his life if he doesn't want to so idc if he is in his life or not'' you said to him ''so you dc about your crush hanta anymore?'' kyoka asked you ''yeah pretty much i mean after what he did to me idc about him anymore cause this was not my fault that he couldn't keep it in his pants'' you said to her.

<<<2 years later>>>
You're in 3rd year at Ua high and your file miyuki  is 2 years old. He is learning to talk at the moment. You're excited and nervous to see what his first word is and you're hoping you're there for it and not at school. 

On other news you and hanta have gotten closer. Just friends and nothing else as you are dating a boy from a different class. A boy from general studies. He is really nice, and our parents have both approved of him. Your twin brother doesn't like him at all. He thinks your 'boyfriend' is just using you. After 5 months of dating you realise he doesn't like kids and didn't want to have them at all so you broke up with him.

Your friends, and family were behind you with this as they might of liked him at first but now they hate him. Oh before you forget miyuki first word was 'kat' she likes her  uncle katsuki a lot.

 You find it a bit adorable when your girl miyuki tries to copy him or follow him around the house. You have a lot of videos and photo's of this happening. 

One you have as a lock screen of miyuki asleep on top of your brother in the living room it's very cute and precious. You blackmailed him with it to the friends and mates. They tease him a lot on how close he is with his little niece miyuki.

The biological father hanta sero hasn't seen him in person yet. Cause he was still dating that bitch from class 3-b. When your girl turned 3 years old. You are still living with your parents and twin brother katsuki. 

You heard from myra and mina that ''hanta broke up with his gf and wants a second chance with you now. He wants to be a father and be there for his girl miyuki now'' you thought this news was very shocking that he would want this so much. But after you got a job and were earning good money as a pro hero you decided to give him a chance to meet his son in person.

So you moved out and found a 3 bedroom apartment. You called over hanta to see his daughter. When he came you greeted him and let him in. ''So where is she y/n?'' he asked you ''she is in the playroom hanta'' you said to him

 ''miyuki'' you called out ''yes mama'' he said back to you from the playroom. So as you and hanta went to the playroom to see her ''mama who is the guy?'' miyuki asked you ''this is your biological father hanta sero say a hello to him'' you said to him ''hello'' miyuki said to him ''hello little miyuki'' hanta said to him.

Hanta went over to him and sat beside you ''mama why doesn't dad not live with us if he is my biological father?'' miyuki asked ''well miyuki that is a long story and you're way too young to know why but if you want to know is because your biological father here had a gf in school at the time when i was pregnant with you'' you said to your girl miyuki

 ''so why don't you get together now?'' she asked ''well idk miyuki i don't think we are in that position at the moment as we aren't seeing each other'' you said to your daughter. Miyuki looked at you and then back at his dad.

After miyuki met her dad. You and hanta left her in the playroom to talk in private ''thank you for letting me see her y/n! Can i come back again?'' hanta asked you ''you're very welcome. she seemed to like seeing you too. 

Why you don't have to be in her life hanta?'' you asked him ''well i want to be in her life y/n i'm his biological father'' he said to you ''fine hanta you can be in her life... i just don't want any awkwardness between us as parents'' you said to him as you walk away.

''what awkwardness y/n? .. aren't friends?'' he asked you ''actually funny story but nope we aren't friends we never were since you never notice me other than to knock me up that one night at a game of 7 minutes in heaven when we were 16'' you said to him fake smiling ''look that's not my fault y/n!'' he said to you in defense

 ''oh really!!!! not my fault when you were one that was drunk to begin with and i never once asked you do this to me'' you said to him annoyed ''look y/n as i said it's not my fault'' he said back to you ''get out now! Hanta I never want to see you ever again! Good luck trying to see your daughter miyuki again as you're not even on the form to have any legal rights without my signature'' you yell at him.

After hanta left you broke down in the kitchen and cried. Your daughter miyuki ran into see you crying. She came over, and hugged you ''momma why are you crying?'' she asked ''oh sweetie i'm fine ok go back to the playroom i'm going to make a call'' you said to her. 

After miyuki left you in the kitchen. You made a call to your twin brother katsuki and told what had happened between you and hanta ''He said what to you?!'' he yelled ''that's what he said to me kat and now i'm scared'' you said

 ''what's going on kacchan?'' izuku's voice rang out in the other room ''it's my twin sister y/n she had a fight with hanta over her daughter.. But idk why he has one right to see his son in the beginning.. Yk what sis come over here to us ok for a couple of days'' he said

 ''miyuki we are going to see your favourite uncles in the world so start packing your bags now'' you called out to your daughter in the playroom. He ran into the kitchen ''i'm seeing uncle deku and uncle kat?'' she asked you.

After packing a bag for you and your daughter miyuki. You put them into the boot of the car and then got your daughter miyuki and his favourite two plushies with him with his iPad too so he has something to do in the car to your twin brother's house. 

(Fast-forward 30 minutes later) you arrived at Katsuki and izuku's house. Your twin brother ran out to greet you. He helped with the bags. As you took your daughter miyuki in your arms. He had his favourite plushies and ipad in hand. You got inside to see izuku ''hey y/n its been a while?'' he asked you. As you put down your daughter, and hugged izuku.

'Hey it has izuku'' you said to him ''make yourself comfortable y/n and for you little hero come here let uncle izuku have a look at you'' he said to your daughter miyuki picking him up ''uncle deku'' she  said to him hugging izuku

 ''your daughter got big since the last time i saw her y/n'' he said to you ''well izuku she's 3'' you reminded him ''yk that y/n i'm just stating'' he said back. Katsuki came back from making a phone call 

''ok sis put the bags in the spare bed room on the second floor for you and miyuki i also call mom and she'll collect boxes of your stuff in that house cause your not going back to that place alone so she suggested going back to living with her for a while'' he said to you ''thanks kat'' you said to him smiling.

You were happy to be away from hanta, and that he would never see his son ever again until he understands that he was the one behind everything that had happened to y/n and not blaming it on her or the alcohol.

 After a few days. You moved back in with your mom, your dad. You lived with them again with your daughter like when you were in school again for another 2 years. Your girl miyuki is now 5 years old. He has been showing a sign of a quirk. You were so happy when he inherited your quirk ''fireworks''.

After another year. Your daughter miyuki now 6 years old. The relationship between you and the bio father hanta are still not good. You stopped caring about him as he was nothing to you now. After your twin bro set hanta down one day and told the guy when she is like this all the time

 ''because she had a crush on you and well you went to far with her that night and the blame is on you and no else so not the alcohol or her and if you want any kind of relationship with her or your daughter miyuki get your fucking act together and fucking fix it'' he shouted at him

.''i had no idea that she had a crush on me dude! Where is she?'' he asked him ''she's at the park with miyuki'' izuku said to him ''izuku why tell him?'' katsuki asks his fiancé. Izuku looked at him and sighed ''kacchan! He needs to know where she is so he can fix this'' he said to him.

Hanta left them and went to his car. He drove to the park that izuku told him that you would be at. He got out and went into the park to see you and your daughter playing. Hanta with a guilty ridded face went over to the bench.

#You saw him coming from the corner of your eye. When he got to the bench ''can i sit here?'' he asked you ''no its fine'' you said to him moving away from him. He noticed looking out on to your daughter playing in the sandpit. ''Sorry y/n for everything'' he said to you ''what! Hanta why are ...... ?'' you started to say to him 

''i'm the one who did this to you y/n and i'm even more sorry that i didn't see you had a crush on me back in school'' he said to you with a smile ''how did you know that hanta?'' you asked him nervous ''your twin brother katsuki told me'' he said back to you ''of course he did'' you said to him.

Well you look back at your daughter miyuki running back over to you and hanta. You sighed '''Look hanta i don't fully forgive you for what you did back then but i'll give you second chance'' you said to him ''thank you y/n i'll try and not hurt you again'' he said back to you

 ''mama why is daddy with us?'' she asked you ''he came to apologies and see you miyuki is that right? Hanta?'' you asked him ''yes of course come here daughter '' he said to him. Your daughter miyuki sat on the bench between you and hanta. 

For a small  moment miyuki was happy that her mom and dad were smiling again even tho they weren't together and she hoped. that they would be together soon cause she wants to see both her parents all the time.

<<<3 years later>>>
You and hanta have grown closer after being friends. After a month or so you started dating him for the first time. You continued to date after that and it has been going great. You are in a new house for three with your daughter miyuki. 

On date nights your twin brother Katsuki, and his fiancé izuku came over to watch her. (fast - forward after another 2 years) hanta moved into your's and miyuki's house. You and him lived as a family. As you dated hanta for 6 years. Before getting engaged to your bf hanta sero. He asked you to marry him at a romantic dinner that you reserved for the evening.

After being brought to the table. He commented you ''you look amazing mi amor'' he said to you ''..*you giggle*.. Thanks babe you look very good looking too'' you said to him. After the food was ordered. he proposed. He got down and one knee into your seat at the window ''babe?'' you asked ''mi amor i love you and ik we have had are ups and downs in this relationship and even before we were together but we have a son and i love my family so much so will you do me the honor of marrying me and become my wife, and be known as y/n sero?'' he asked you ''omg yes yes yes i'll marry you'' you said to him as you cried. He slipped on the ring.

When you got home you told your twin brother Katsuki and future brother - in - law and best friend izuku that you and hanta are now engaged. They were so happy for you and hanta, later you told your friends and the next day you told your son and your parents about the great news.

 A year into your own engagement with hanta. You went to your twin brother katsuki's and izuku's wedding. you were so happy for them as now a newly wedded couple for now and forever. 

They went on their honeymoon and came back after two weeks. You saw pictures from their honeymoon. A year later you got news that your twin brother got a kid of their own. Yeah so apparently they had this done in secret. They had a friend of theirs be the surrogate mother of their child.

After their son kin midoriya bakugo (meaning of the name ''gold'') was born. When you and hanta had your wedding day. you got to see your baby nephew kin and miyuki got to see her baby cousin. 

After you and hanta were married. You danced with hanta as a newly wedded couple, and went on your honeymoon for 3 years. While your daughter miyuki went to live with his uncle Kat and Deku for one week, then went to his dad's parents house for the second week then to your parents house for the last week. 

You came back after that. To a family now of 3 well .... For now that is. 9 weeks later you found out that you were pregnant again with Hanta's baby. This time it was a boy kei . You were excited that miyuki would have a baby brother and so she could be a cool older sister. After you told your husband, family and friends. 

Hanta was over the moon delighted with the news as for your family and friends they were so happy and congratulated you on the new being and congratulated miyuki for getting a baby brother soon. 

(fast - forward 9 months later) you finally gave birth to a healthy and happy baby son. Your son kei bakugo sero (meaning of the name ''square jewel'') he had your red eyes and he dad's black hair and for his face features (he had your nose, chin shape and he dad hanta's lip, eye shape) your parents, your twin brother his husband/wife izuku their son kin and your 11 year old daughter miyuki. 

He got to see his baby son kei . your parents got to see their newly baby granddaughter. And your twin brother Katsuki and his husband/wife izuku and their baby son kin got to see their niece/ miyuki and nephew/ cousin kei.

After they left, your husband's parents came in and saw their granddaughter. Then they left so that your friends could see their baby nephew now. A week later you were discharged from the hospital. You get to bring your baby son kei home with you. As now a happy family of four now and forever. 

The end
Name meaning
Miyuki - snow
Kei - square jewel

Word count: 4462
This story took a while as I had actually no idea for him whatsoever. But I am now and so happy that I finished the last fluff story for hanta sero. Hope you guys enjoy! See you guys in the next story ✌️