Ijimerarekko ga Yarikaesu Hanashi

Kuroide Akito, who was bullied by delinquents because of a grudge against him, is rescued by a transfer student, Kanda Yuki, who offers him a "bullying revenge plan". As they have strategy meetings, Kuroide deepens his friendship with Kanda, but Kanda's true identity is Yuki Obayashi who used to be bullied by Kuroide when they were kids. Kanda's true revenge plan is to sexually bully Kuroide back.

"Come on Kuroide, suck it." One day, Kanda's attitude changed drastically...?

This is a story of love with no place to go, born from despair and regret.

(Source: Libre, translated)

Note: Includes a bonus chapter.