Ryuku

Ryuku has been a part of the mafia for a long time. In the service of the clan, he killed, robbed and tortured people to further their ends. However, it's finally time to go, but his boss won't let him leave that easily. As a final mission, he's given control of a school populated by sons and daughters of influential people. From the wealthy, to politicians, to even movie stars, the school has many influential contributors. His goal, to use their kids to get dirt on as many as he can. But there are rumblings of further turmoil in the different groups in the area as they fight for control of territories.

All the while MC is fighting a battle within himself. Will he be able to control it? You decide.