Goodbye Maki - Childhood friend targeted by scum

Atsuta (the main character) was able to enter a prestigious university thanks to the support of his childhood friend Maki.

However, there is an outrageous person at that university who is targeting Maki in a sneaky way...
While you are wondering whether to confess or not, or even if you confess...
It's up to you whether Maki gets cuckolded or not.​