'It's now or never...' I thought.
"I-I like you (Y/N)! Please go out with me!" I asked her/him and she was a stuttering and blushing mess.
"U-umm... I-I... u-umm..." s/he fainted and fell on to me.
"(Y-Y/N)-chan?!" I said, worried about her/him.
"Ah! S/he fainted, Isogai-kun carry her to the infirmary!" Rio said while taking pictures of us along with Karma making me sweatdropped.
"O-okay..." I said and carried (Y/N) to the infirmary (bridal-style 'cause I'm cliche like that).
I was right beside (Y/N) since the nurse (Koro-sensei) asked me to guard her/him (whose face was pink and was taking 'medical notes'). I felt my eyelids getting heavy and I fell asleep next to (Y/N).
(Y/N)'s POV
I woke up on a bed and saw Isogai sleeping peacefully.
"Isogai-kun..." I mumbled and played with his hair, I giggled on how his two antennas were moving and sighed, "Sorry I couldn't answer your question...I was going to say yes but... my shyness got the best of me. The gift was actually for you for helping my mom out at the cafe" I said to the sleeping Isogai.
"The gift was for me?" Isogai said making me take back my hand.
"Y-you were awake this whole time?!" I asked.
"I was only about to sleep" he explained and I blushed embarrassed.
"So, you like me back?" he asked smiling making me redder. I nodded while playing with my fingers.
"I liked you... since you started to work for my mom..." I said to him loud enough for him to hear me. I felt him grab my chin gently and kissed me like I was the most fragile thing in the world. I kissed him back hesitantly and put my hand shakily on his shoulders. The kiss was short, but it was sweet and gentle. Isogai pulled back and smiled at me.
"I'm glad you feel the same way," he said with pink cheeks.
"Y-yeah," I said smiling at him.
We went back to the classroom hand-in-hand and saw everyone grinning at us; I went behind Isogai since I wasn't comfortable with all the attention and he rubbed the back of my hand with his thumb reassuringly.
"Please take your seat, Isogai-kun, (Y/N)-san," Koro-sensei said with a pink face and I swear I heard him mumble: "Ahh, young love" as we were about to go to our seats.
During the whole class, everyone was glancing at me and Isogai and it was very uncomfortable for me but Isogai paid no attention to them.
Isogai's POV
I noticed that (Y/N) was uncomfortable by all the attention the class was giving her/him and I sighed.
"Worried about your girl/boyfriend?" Maehara asked while grinning and I blushed at his statement.
"J-just a little" I answered and glanced at (Y/N) who was a blushing mess and I blushed at how cute s/he looked.
When class ended, the girls swarmed around her/him asking questions:
"So are you and Isogai-kun a thing?"
"Have you kissed?"
"Who made the first move?"
"U-ummm...." (Y/N) said unable to answer all of their questions, I grabbed her/his hand and pulled her/him close to me.
"Alright, that's enough," I said.
"Awww...." the girls said getting back to their seats.
"Are you okay?" I asked (Y/N) and s/he nodded.
"T-thank you, Isogai-kun" s/he mumbled to my shirt and I chuckled.
"Hey, that's what boyfriends are for," I said kissed her/his cheek earning squeals from the girls and flashes from Rio and Karma and I sighed.
"I think..." (Y/N) said and I looked at her/him confused, "I think I'm fine with this kind of attention...as long as you're here," s/he said smiling at me and blushed.
"Yeah, I'll protect you," I said pulling her/him closer to me.
Extended Ending
3rd Person's POV
Isogai got the gift from (Y/N)'s mother and he opened it. He blushed redder than a tomato when he saw that it was pictures of (Y/N) (innocent ones my children)
'C-cute...' he thought.
"Is that my mother's gift, Isogai-kun?" (Y/N) asked startling the boy as he quickly put the photos away.
"Y-yeah! Tell Ms. (L/N) I said thank you" he said to her.
"Sure! What did my mom give you?" s/he asked and blood drained from Isogai's face.
"U-umm.. oh right! I have to take care of my siblings! Sorry, (Y/N)!" he said and dashed off with his face still red.
"Huh? O-oh, okay!" (Y/N) said, oblivious.
'What's with him?" Rio asked.
"I don't really know..." s/he answered. S/he saw a photo in the air and looked at it. S/he blushed as red as Karma's hair when s/he saw it was her/him sleeping on her study desk.
"ISOGAI!!!!"
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The first request is done! I LITERALLY have no idea what to do on Isogai's personality... Sorry, it took so long ;-; I only got to use the computer today so I made the story :) next up is: Chiba x Tsundere!Reader

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Assassination Classroom X Reader
Fanfiction*REQUESTS ARE CLOSED* As the title says, this is mostly x readers but I can do character x character and scenarios :3
|Yuuma Isogai| I'll Protect You
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