Heisei era Shameless School

Modern-era remake/alternative future of the infamous Harenchi Gakuen.

Yamagishi and Fukurokoji fresh from University are starting as the first male teachers in the prestigious girls' Harenochi school. Sure enough, like the predecessor "Harenchi Gakuen", the school isn't lacking in perverted teachers and students.

This manga was also adapted into OVA of the same name animenewsnetwork