The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.
This... Isn't cheating, right...?
Side story to the commercial BL, "Am I, A Virgin With Zero Experience About To Be Jumped By A Ex-Mercy Sexual Berserker!?". It's set after the 5th book but it can easily be read without context.
[Synopsis]
Yuuto rediscovered a box full of "adult toys" while he was cleaning.
On a whim, he decided to play with himself in secret for just a little while while Kuroda was out, but...He came back!?
...Eroticism ensues.
From secretly masturbating to having some body size difference sex!