Des:Ayaka, a karate expert with a strong sense of justice, stands up against a yakuza organization to protect her timid younger brother who is being bullied at school. Ayaka goes on a karate rampage, but ends up taking his younger brother hostage and being held captive. A brother who is forced to masturbate next to his older sister who is tied up and raped! Strong incest with my younger brothers cock coated with aphrodisiac! Ayakas strong mental health collapses with a scream...