Ryoujoku Kyoushitsu

In a run-down Tokyo at the end of the century, young teacher Tsunagu struggles with a poor life and a violent lover named Akira, whose heart he knows he will never have. Despite Akira's threats, Tsunagu refuses to give up his teaching job, wanting to be there for a few good students like Aoitsuki.

However, unknown to Tsunagu, the angelic-looking Aoitsuki is not what he seems. Meanwhile, another student named Shou enters the picture, adding to the teacher's growing troubles. As Tsunagu tries to navigate his dangerous relationships and the hidden darkness in his classroom, his resolve is tested in unexpected ways.