Delinquent Omega Belongs to the Beast King!

Overview

College student Akane is out at a club with his friends when he runs into Mitsuhisa, an old friend from high school. Akane is an idiosyncrasy guy, so his high school classmates found him creepy and stayed away from him. Only Mitsuhisa hung out with him without fear. Although he can be rude and selfish, Mitsuhisa has a natural charm that attracts other people. Akane felt the mutual attraction, got carried away, and had a one-night stand with Mitsuhisa. However, for some reason, Akane disappeared without a trace right after their high school graduation ceremony and cut off all ties with Mitsuhisa... (Source: Core Magazine, translated) Note: Includes two extra chapters.

Source: AniList