The Redo of Healer manga by author Rui Tsukiyo is known for its approach to themes of s*xual abuse and the desire for revenge. Keyaru, the series' protagonist is a healer and starts the story from ...

However, when he achieves the ultimate healing magic, and "heals" the world itself, he goes back four years to redo his life. Here it is. The big bad. The major controversial anime du jour.