Captivated Ajin (Yandere!Kei NagaiXReader)

The Beauty

"Oy! Ryouta!"

"Hello there, Mr. Horiguchi."

"Got yourself a girlfriend now, is that right?"

"Yes."

"You're kidding! How the hell did you two even meet??"

".... We attended the same school back then."

"Nah, I don't believe it!"

"....."

"A pretty girl like (Name) would never go out with a guy like you, Ryouta!"

"Why not?"

"Can't you tell? You're too nerdy for her. Not much of a perfect match between complete opposites! A beautiful woman and a total loser! You can't possibly imagine having sex with her, can ya?"

"Now why would I think of something like that?"

"Ryouta why would you even question sex?? Oh, that's right! It's 'cuz you're a virgin!"

"......"

"Not talking huh? You know I'm right, right? See what I'm sayin'? You gotta stop and think, 'can I really bang this hot chick?'"

"That's... Gross. Mr. Horiguchi, I think you drank too much."

"You're such a little kid."

"I have to go now." 

"Hey wait! If your relationship doesn't work out, have her come over to my house and I'll show you how to love her like a real man! Haha!"

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Kei cringed each time he thought of that disturbing adult conversation he had with Mr. Horiguchi. He gritted his teeth, clenching onto his chopsticks, nearly breaking them with his thumb during lunchtime. You cautiously watched his emotions overcome him, feeling worried. Your wet hair was tied up in a bun while you were still in your working clothes. They managed to dry up by the time you returned home.

"Is everything okay?" You leaned forward to get a peek of his seething expression.

Yamanaka had gone to water her plants outside, leaving a plate of rice balls and a small bowl of leftovers from yesterday. You sat across from Kei, scooting away from him each time he had that uneasy look. 

"Whatever you do, stay away from Mr. Horiguchi." Kei strictly warns you.

"How come? He seems nice--"

"Don't say that. He's a perverted sack of shit." He interrupted, sharpening his voice.

"What did he say that got you all riled up?" You raised a brow, casually continuing to eat.

".... I think he's onto us." 

"Huh?"

"Mr. Horiguchi is getting suspicious of us because we're not close." 

"Oh, that's too bad." You shrugged, not seeing this as your own problem.

"We'll have to convince him somehow. Otherwise, he'll suspect that you're not really my girlfriend. It could lead to worst case scenarios." Kei suggested.

"Oh, that's too bad." You shrugged again. 

"Aren't you concerned about it?" Kei asked.

You knitted your brows together, showing that you could care less about hiding for the sake of Kei.