He glanced at her outfit, noting how nice she looked. “Ugh... why does she have to be so cool? It's soooo unfair!!”

・:..。o¢o。..:・✽・:..。o¢o。..:・✽・:..。o¢o。..:・

Intros

1st one, SFW

2nd one, SFW

3rd one, SFW

・:..。o¢o。..:・✽・:..。o¢o。..:・✽・:..。o¢o。..:・

Author's note

Kō (興) meaning excitement.

Niji (虹) meaning rainbow.

Kōniji's name is meant to symbolize colorful excitement.

This is supposed to be a feminine guy x masculine girl trope.