Requested by WendyKurenai
Tysm for your request. I personally enjoyed working on this one.
Alright on with the story....
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No one's P.O.V.

"Shu, are you sure you want me to come with you?" A shy girl asked from behind the door. The albino boy outside the room sighed as he answered,

"Yes, I'm 100% sure. I won't be in New York for a while and I don't want to leave you all by yourself either. So, it's better if you tag along with me to Japan."

Shu had a very shy yet very cute girlfriend whose name was (Y/N) (L/N). She was even more shy then Ken was. But still, her cuteness would always attract guys towards her. She would either shy away from them or would go to Shu who would always scare them away.

But the guys wouldn't stop bothering her and Shu couldn't help but feel jealous because of this. And now that he was going to Japan, (Y/N) would be alone and he was afraid that some guy might try something funny on her. So, he wanted his girlfriend to come along with him.

"Alright, Shu. I'm done packing up my stuff. So, we can leave for the airport now." (Y/N) said as she came out of the room with her suitcase.

Shu being the gentleman he was, took the suitcase for her and walked hand in hand with her to the airport. Lane was already waiting for them outside the building.

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(Timeskip when the trio reaches Japan at the time of the Ultimate Tag Series.) At the hotel. No one's P.O.V.

Bladers like Lui, Free, Silas, Lane, Shu and (Y/N) were all staying at the same hotel. All the bladers were one in one room each except (Y/N) and Shu. These two were staying in the same room. There room was right next to Lui's.

It was a normal morning for (Y/N) as Shu and the other bladers were out for practice. Shu told (Y/N) not to go out of the room as there might be some perverts outside. He'd even instructed the authorities that only female staff should attend their room. (What a boyfriend. 😌)

So, right now (Y/N) was sitting on the couch, listening to music on her phone until she heard a knock on her door. She paused the music and thought,

'What should I do now? Open the door? But Shu told me not to. Maybe I should ask who's outside, first.'

She stood up and asked out loud,

"Who's there?"

"It's me, (Y/N). Lui." Answered the voice.

"Lui? What's he doing here now?"

The girl mumbled to herself as she went to open the door. Shu didn't say anything about not opening the door to her friends so she was totally not disobeying him. And yes, Lui was one of her friends.

She opened the door and smiled as she greeted, "Hey, Lui. What brings you here? I thought you were also gone for practice with the others."

Lui grinned as he replied, "I just wanted to meet you that's all. And since, it's just the two of us here, would you mind if we spend some time together?"

"But Shu told me not to go outside."

"Kurenai only said not to go outside, right? He didn't say anything about the other person coming inside, did he?"

(Y/N) thought for a moment and then shook her head in denial.

"Then he wouldn't mind." Lui shrugged.

"I guess you're right. Come on in then."

(Y/N) said as she stepped aside for Lui to enter.
Lui walked in as (Y/N) closed the door and he sat down on the couch before motioning for the girl to do the same.

The female sat down beside the blue haired boy and asked, "So, what's up?"

"Y'know, I was wondering how your relationship with Kurenai is going." Lui asked 'casually' as he placed his hands behind his head and leaned backwards on the couch.

"It's going great. Shu is a really caring and loving boyfriend." The girl replied as she smiled dreamily at the thought. Then Lui asked,

"What if you could have someone better?"

"Someone better? What do you mean?"

(Y/N) asked completely oblivious and confused. Lui in an attempt to make a move leaned to her and smiled,

"Someone more loving and caring than him."

"But who? Besides having him is enough for me. I don't need anyone else."

"Just give it a thought." Lui said as he leaned in and got a completely confused face from (Y/N).

Suddenly, they heard the door open and a voice shout,

"I KNEW IT!"

Turning their heads, it was none other than (Y/N)'s boyfriend Shu Kurenai standing at the door. He made his way up to the duo and grabbed his girlfriend by her arm, pulling her in a hug towards himself.

"Shu?"

(Y/N) was now totally confused about what's going on. Shu ignored her call as he glared at Lui and said in a rather pissed off voice,

"I didn't see you with the others at the training so I got suspicious and came here to check. What were you doing with MY girlfriend, huh?"

Lui smirked as he stood up and retorted,

"What do you mean? We were just talking."

"Oh, really?" Shu hissed in a venomous tone.

"Are you getting jealous because (Y/N) was about to choose me over you, Kurenai?" Lui sneered.

Shu got even more mad as he glared daggers at him, "She loves me and only me. So, back off from her!"

Lui made a 'tch' sound as he left and mumbled, "Jealousy head." Loud enough for the couple to hear.

(Y/N) who was still in Shu's embrace, patted his back and asked, "Were you really jealous?"

Shu pulled away and looked aside as he nodded, feeling a little embarrassed. (Y/N) only gave a small smile as she giggled,

"You're too overprotective."

Shu looked at her and suddenly held her by her shoulders, catching her off-guard as he asked, "Why did you open the door when I told you not to?"

"You only said not to open the door for strangers. But Lui is a friend so I allowed him inside." She replied quietly, making Shu sigh before he began,

"Yeah, sorry my bad. I should've been more clear with my instructions..." He continued,
"....next time I'll take you to training with me."

"O-Okay. But can you please let go of my shoulders now?" (Y/N) asked. This made Shu smirk as he asked,

"Why? Can't I hold my girlfriend?"

"I-I didn't mean it like t-that. It's just-"

She was cut off as her lips were suddenly locked with another pair. Shu pushed her back on the couch and held her tightly by her waist without breaking the kiss.

After a minute or so, he pulled away for air as they both panted heavily and a string of saliva connected their lips. The (h/c) haired girl had a large red blush on her face.

"W-what was t-that for?!" She stammered as she tried to cool off her face. Shu only smirked before he replied,

"For making me jealous. I don't want anyone stealing my girl."

(Y/N) smacked him not too hard as she exclaimed, "W-why do you always have to get jealous so easily? Jealous head..."

Shu only smirked wider as he cooed,

"Did you just call your boyfriend a jealous head?~"

(Y/N)'s face became even more red as she quickly defended herself,

"N-no."

Shu stood up and held her by her waist and back as he was still smirking,

"Looks like you need to be punished for making me jealous.~"

"W-what?! N-no! D-don't you h-have training t-to do?! F-for the tournament?!"

"I'm done with today's practice so~" Shu cooed seductively in her ear. The girl just squirmed around trying to free herself as she squeaked,

"N-no!"

Shu laughed as he finished his sentence,

"...we can cuddle on the couch for the rest of the day."

He sat back down on the couch with her on his lap and snuggled in her shoulder as the female sighed in relief.

"You scared me for a minute, Shu. I thought you were really gonna 'punish' me."

Shu chuckled as he nuzzled in her neck and asked, "We can still do it though. Do you want it?~"

"Absolutely not, pervert!"

She exclaimed with a bright red tomato face and Shu just laughed before the couple continued their cuddling for the rest of the day.
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I hope you like this story. I'm sorry if you didn't. I'm also sorry if I made you wait too long or if this one shot was cringe. I also apologise for my terrible grammar. 😞
Anyways vote, comment, share and maybe....follow me too? All the characters belong to Hiro Morita, only the story plot is mine.
Stay safe and have a nice day/noon/evening/night.
Sayonara, bug out.