The Flowers of EvilThe Flowers of Evil.

The Flowers of Evil (Japanese: 惡の華, Hepburn: Aku no Hana) is a Japanese manga series written and illustrated by Shūzō Oshimi. It was serialized in Kodansha's Bessatsu Shōnen Magazine between September 2009 and May 2014. The story follows a middle school student named Takao Kasuga who's forced into a "contract" by fellow student Sawa Nakamura, after being caught stealing the gym clothes of his crush Nanako Saeki, and the series of events afterwards that follow these three characters.