There is a secret between her father and Mashiro that she can't tell anyone... A secret she can't tell her friends, her teacher, let alone her mother. Mashiro had no choice but to say no. Her father's distorted love escalates... Even Mashiro, who lives such a life, got a boyfriend. One day, her father witnessed Mashiro giving her boyfriend a blowjob in her room and took an unbelievable action...