Takao Kasuga is a fictional character from the visual novel and anime series Aku no Hana, created by Shūzō Oshimi. He is a high school student who struggles with his identity and desires, often feeling disconnected from his peers. His character is known for his introspective nature and complex emotions. In the story, Takao becomes infatuated with Nanako Saeki, a classmate, and is drawn into a dark and twisted relationship with Sawa Nakamura, a rebellious girl. This leads him to confront his inner turmoil and the consequences of his actions, making him a central figure in the narrative's exploration of adolescence and morality.