Kyouken Hachiko

Jou Hachiouji, the mad dog, is making a name for himself in the delinquent world for taking down various strong delinquents leaders... and his next target is apparently Seishirou Himemiya, 2nd year leader of Asanagi High School and a "cat lover"...? But as soon as they met, things took a different turn, and their initial attraction leads to steamy sex...?

(Source: MU, edited)