A hikikomori and introverted older brother. His sister is lively and a popular beautiful girl at school. Despite being siblings, they have completely opposite appearances and personalities, and the sister dislikes her brother, scolding him, "Don't come out of your room!" She nags him almost every day, and one day, the brother suddenly snaps and rapes his sister. She resists and glares at him, scolding him, but she cannot overcome her brother's pent-up frustration and sexual desire and is raped...
