Captivated || Yandere! Tsukishima Kei x Female Reader

Six

A/N:
(Content Warning: Mature themes ahead)

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"Haah..hah.."

Ragged breaths filled Kei's dimly lit room as his hand wandered down to relieve himself from the overwhelming sensation erupting from inside him.

During his time with (Y/N) at the library earlier, Tsukishima secretly managed to snap a few photos of her while she wasn't paying attention. He scrolled though his gallery as he admired every picture he took of her; mesmerized by the way she focused on the essays she was working on.

The only issue though is that there weren't really any essays at all

He lied. The moment he saw (Y/N) enter the school that morning, something in him clicked. Tsukishima suddenly longed for her presence. At that point, never did he wanted anything more than to smell her and hear her gentle voice again. He wanted to be next to her. He wanted to see her up close to the point where he can reach out and touch her if he ever wanted to.

Thankfully with his quick thinking, Kei was able to come up with an idea just before she can get out of his sight:

To fake an assignment and make her do it so that he can spend time with her alone

"Ngh.." He held in a groan as he found himself shuddering under his own touch. Swipe after swipe, he continued to scroll through the numerous pictures of (Y/N), his flushed face being illuminated by the light emitting from his phone screen.

Tsukishima's mind kept getting lost into thinking about the time he had with her. As he observed her quietly, he noticed how she would subconsciously lean in to get a better look of what she was working on and how she would drum her fingers on the table, perhaps thinking of the next words or sentences to add in the paragraphs. He vividly remembered seeing how her delicate hand moved along the paper as she wrote. Tsukishima could only imagine how soft her hands were.

His swiping came into an abrupt stop when he saw a photo that completely stood out from the rest.

It was a photo of (Y/N)'s legs from under the table

Kei almost forgot about taking this one - and seeing it now only made him even more excited.

His breathing hitched. What he was looking at were the same legs that touched his. The feeling of her legs brushing up against his own continued to linger. A pulse ran down his spine and his length stiffened upon the sight of (Y/N)'s skirt resting on top of her thighs, almost giving him a view of what was underneath.

"Sh..shit." Tsukishima cursed between his own airy gasps, the pace of his hand quickening.

What was this girl doing to him? Why was this girl affecting him so much? He doesn't know. He couldn't describe this warm feeling that would come from his chest whenever he sees her nor could he explain the strong sudden feeling of..desire to get close to her.

(Y/N) wasn't special that's for sure. But somehow, Kei believed that there was definitely something about her. Everything about the aura she displayed and how she spoke or even the way she looked at him,

It gave him this peculiar feeling; almost like a thrill. Maybe a rush of excitement?

...Love?

Whatever the feeling was, it was a sort of sensation that he had never felt in the entirety of his life

And he wanted to feel it again and again

Drawing out a groan, Tsukishima slightly threw his head back as he reached his peak, releasing his fluids onto himself. He panted as warm sweat dripped down from his flushed skin.

After calming down and cleaning himself up with the box of tissues on his study table, he plopped onto his bed with a grunt. Tsukishima's gaze landed on the stolen cat keychain resting on his nightstand and he reached out to grab it. Facing the ceiling, he slipped a finger through the cold, metal keyring as he stared at it for a moment, holding it up and letting the stuffed cat dangle above him.

A blissful sigh of awe escaped the blond's lips before the corners turned up into a smirk,

"Just look at what you've done to me, Pervert-chan.."