Secrets of a Monster (Kuroshiro x Reader) [SIDE STORY] ||ON HIATUS||

Chapter 1: Spark

"Kuroshiro, did you mess with the fridge again ?!"

You screamed from the kitchen, making the four-eyed teenager tense up. It was 5:30 in the morning. He was watching Spongebob from the tv, happily eating a cake.

"Uh…" He blinked, and turned to the kitchen, before grinning slightly. "I think ?"

"You three year old.." You grumbled, sighing and staring at the fridge. It was half empty, and the candy bag was widely open. The cake box was hung open and chocolates were gone. It was a really big mess.

You started to clean up, while Kuroshiro just laughed. "I'm sorry ! I was looking for my favorite chocolate—Kisses ! And Hersheys… And M&M's ! Oh, also Milky Way ! And Snickers ! And Twix ! And Cadburry ! And Tobl—"

"You love them all, you damned bastard." You laughed, taking the bag out, turning it upside down. A small candy dropped with a sound. "Except for the bubblegum."

"Gah !" He grumbled. "I hate them—they stick in your mouth and stuff ! And they lose taste in like—three seconds !" He pouted. You chuckled, closing the fridge. "Yeah yeah.. Now, get yourself dressed, we'll be late for school."

"B-but Spongebo—"

"Now." You looked at him. He blinked, then pouted. "Bye bye, Spongebob Squarepants…" He mumbled, and turned the TV off, grabbing his towel and running in the bathroom.

It has been 2 years since that day—the day he met her. He was extremely happy and lucky when they became partners… She was like a whole package to him..

You were like a miracle.

~*~*~*~*~*~*~*~*

"KUROSHIROOOO ! WE'RE FCKING LAAAAAAAATE ! STOP EATING ALL THE M&M'S, YOU JUST BRUSHED YOUR TEETH !"

Kuroshiro tensed up, and shoved the packs in his pocket, before running out. "Done !"

You sighed, rolling your eyes. "Let's go !" You ran off, Kuroshiro following.

"(y/n) !"

Kuroshiro blinked, then mentally pouted at the voice.

Blackstar.

They're close… Ever since first day—which was 6 months ago—they were like… Together in everything. Yes, he's jealous. He knew he loved her so much. But… What if she loves Blackstar more ?

"Kuroshiro-kun ? Are you okay ?" Tsubaki looked at him, blinking. The eyeglassed boy turned to her, and smiled brightly. "Oh, yup ! Just thinking of how many souls (y/n) and I have now…" He scratched his head shyly. Tsubaki giggled. "Okay then."

Nah. Sorry for lying, but that wasn't the issue.

"I bet I can beat 20 kishin eggs in just an hour !" Blackstar bragged, proud. You laughed and rolled your eyes. "I can beat 30 kishin eggs in 30 minutes !"

"That's because your meister's insanely good." Blackstar bluntly said, making you grumble. "Shut up !"

Kuroshiro grinned darkly, watching them. "This… Would be the 20th time you both fight this week… There should be a punishment." He shoved his hands in his pockets, eyes narrowed.

You and Blackstar tensed up, turning to him. You both stood straight, and hugged each other like best friends. "Wah ! You're my best friend !"

"You are too ! MY ONE AND ONLY !" Blackstar fake-grinned, mentally glaring at you.

Kuroshiro stared, and blinked, feeling something spark inside him. He didn't know what—but it felt a bit painful..

It increased at the sight of you and Blackstar hugging. He fisted his hands in his pockets, and smiled brightly. "Okay !"

Sighing in relief, you pulled away, growling. "Brace yourself, idiot…"

As you and Blackstar mumbled threats out of Kuroshiro's hearing range, he did his best to identify what the spark was…

Oh well, it stopped. But…

Why did it feel so painful ?