"Dear Kacchan

Please be gentle with me suddenly you popped out in the kingdom like some kind of unexpected game of whack the mole ( except you're not a mole, you're Kacchan and there's only one Kacchan, no offense but I hope it stays that way ) currently taking this in right now, Shoto is fighting for best friends rights too

I feel like we should take it slowly, the first night I met you here you kidnapped me and bribe me with your spiky hair, I don't even know how you made that work Kacchan, how do you do it? While being with you is a very very happy experience that I missed, Shoto keeps on trying to ogle me away, apparently he has came to my room atleast 4 times

I feel bad

No Kacchan I know what you're thinking, he is, in no way, guilt tripping me, I just feel bad because he waited all this time for me so can we cut your schedule so you don't have to spend it all with me

Love, Izuku

P.S : stop taking the blankets away as much as I like you as a heater the blanket actually makes me comfy at night okay Kacchan?"

Katsuki stared at Izuku as he finished reading the letter out loud

"So we've been apart for like how many years?"

"Uh.. 5..?"

"And how long have we known each other?"

"Uh... 10 years.." Izuku shifted uncomfortably already knowing where this is going

"And how long have you two known each other-"

"Kacchan it's not just because of those things, Shoto wants to spend time with me-"

"Do you want to spend time with that shitface?"

"Of course I do! He's my friend!"

"I'm your friend too! We're pretty much best friends I'm only going to stay here for like 3 weeks only, can't you tell that clingy prissy bitch of a prince to man up?!" Katsuki growled, he his his hands behind his back aware that they're letting off little explosions without his control, wouldn't want to blow up Izuku's face after all

Izuku frowned, he does have a point, was Shoto acting too clingy? ( no he wasn't, Izukus conscience said, he knows he isn't acting clingy Shoto just wants time with him why does he suddenly think that Shoto is clingy though? )

"O-Okay, it's only for three weeks after all, okay Kacchan?" Izuku gave him a bright smile, a bit wobbly but still bright, Katsuki smirked and pulled him back in bed

"We're gonna sleep again?"

"No I just wanna hold you, you feel like a baby"

"Hey I don't you meanie!"

"Whatever you baby" The blonde said before holding Izuku closer to him "You smell like shit"

"Thanks Kacchan I'm flattered"

"Hey don't be a smartass, since when did you have a pottymouth"

"Ever since you came back to terrorize me"

"Funny, you must be completely fine with being terrorized since you practically sold your soul to me for the next three weeks"

"Just don't do anything funny with it Kacchan" Izuku said before burrowing his face unto Kacchan's chest and slowly falling asleep, good thing Katsuki slept without a shirt, no drool on shirts for today

-

Shoto was glaring at them

Or more specifically, their hands

"Son, stop staring too much I know that this is a very rough time of you but-"

"Dad- their hands just look" Endeavor raised a brow and realized why his son was so into staring at the two childhood besties, they were holding hands

"Are you jealous Shoto? You can hold my hand too if you want-"

"I'm not jealous, he just doesn't deserve to hold Izuku's hand"

"So you deserve to hold Izuku's hand?" A tint of red made its way on Shoto's face and he looked away

"Is that a yes or a no?"

"Shut up dad" Shoto said slapping his dads hand away, Endeavor cradled it and maybe shed a tear, his poor poor hand

"Izuku.. used to hold my hand too" Shoto said looking at his own hand with a longing look, Endeavor patted his sons back

"It's okay everything will go better soon, just 3 more weeks"

"But they're holding hands, only married people do that"

"But you said Izuku held your hand-"

"It was for 4 minutes and 34 seconds, they've been holding hands for the entire walk- why are we even following them?"

"Because you need to sort out your issues Shoto"

"Real reassuring, dad"

"Thanks I try my best" Endeavor nodded

Before pushing his son directly unto Izuku breaking off the hand holding

"What the fuck?! Are you looking for a fucking fight you strawberry shaved ice cream?!"

"Strawberry shaved ice cream is a compliment Kacchan, it's really good-"

"SHUT UP NERD"

"Okay, geez"

While they were bickering Katsuki probably didn't notice ( probably Izuku too ) but Shoto was very slowly inching away pulling Izuku along with him, until he is sure he can outrun Katsuki, when he was he lifted Izuku up and starts running

Katsuki blinked a couple of times before registering what has happened and immediately started chasing after them yelling profanities in 23 different languages

This is not a rated mature book so sadly I cannot elaborate on the details

--

Izuku is now patching up Shoto while Endeavor restrained Katsuki from doing any damage, Toshinori was there too but its not like he can suddenly have super strength and not have Endeavor question it, he's in his deflated form after all

"S-Sorry I don't really do this too often.. are you okay?"

"Yes, you're good at this I feel like all my wounds have been healed" Shoto said staring at Izuku's hand which was checking if messed up any of the wrappings, it was on Shoto's chest

This is the most contact he had with Izuku so far other than when Izuku reduces him into a body pillow, it's endearing okay don't judge him

Shoto decided to be a little bold and placed his hand ontop of Izuku's, he suddenly remembered that he had a broken arm, right, ouch, his face winced in pain and Izuku panicked

"Shoto if you wanted me to remove my hand you should've said so-!"

"No it's okay, keep it there it's my fault"

Izuku was about to pull away until Shoto grabbed his hand back and pressed it against his chest which still hurt by the way, but the pain was worth it when he saw a red flush spreading unto Izuku's face-

"HEY WHY DOES HE GET DEKU TO PATCH HIM UP WHILE I GET YOU TWO WEIRD FUCKFACES TO PATCH ME?! I DEMAND AN EXCHANGE!"

"Bakugou my boy! Please calm down! You're bandages are coming all off again"

Izuku sighed before straightening himself up

"Are you really going to go back there?"

"Yeah sorry, Kacchan's just a little clingy!" Izuku smiled before leaning down and placing a kiss on Shoto's bandaged cheek on where Bakugou punched him

"Here I heard that kisses make injuries heal faster, get well soon Sho-chan!"

Shoto blinked as he watched Izuku walk to when Katsuki was to help him calm down, he then touched the bandage that Izuku kissed

"Son?" Endeavor said poking Shoto

"I want to marry him" Endeavor sighed

"We know you want to"

"Dad can I marry him? Can you set a wedding up next month"

"Shoto have some manners, you don't even have a ring yet" Shoto looked down in shame

"So if I get him a ring I can marry him?"

"Yes, you seem very eager son"

"If I marry him then the stupid ugly prince has to go away right?"

"WHO YOU CALLING AN UGLY PRINCE YOU WANNA FUCKIN GO-"   "Kacchan! Stop ripping appart your wrapping!"

"Yes, he has to go away from Izuku"

"Okay thanks dad"

______

The next day Shoto immediately kidnapped Izuku and led him to a jewelry shop

"What are we doing here Shoto?"

Shoto stared at him before going up to the one managing the shop

"Show me your prettiest ring"

"W-What, Shoto-"

"Of course your majesty, please wait a second as I get it" he nodded before going at the back of the shop

"Shoto are you getting married? And you didn't even tell me" Izuku pouted

"..Yes I am getting married"

"To who?"

"You know him"

"Shinsou...?"

"You"

"..Me?"

"Yes, I'm getting married to you, is there a problem?- Izuku are you okay?!" Shoto said as he hurried caught the green haired male who fell in shock