Watch Bitch Gakuen ga Seijun na Hazu ga Nai!!? The Animation! This hentai series is called "Bitch Gakuen ga Seijun na Hazu ga Nai!!" is featuring the main character, Musou Tan. The first part of the series also features Amami Mao, the perfect woman who is the class president and can’t get enough sex, and Musou’s cousin, Hanamaki Arisa.