Ayaka, a skilled karate practitioner with a strong sense of justice, stands up to a yakuza organization to protect her timid brother from bullying at school. Ayaka rampages with her karate but her brother is taken hostage and restrained. Savage throat ravaging oral sex, the brother forced to masturbate beside his sister as she is raped while restrained! Forced near-incestual rape with a brother's cock smeared in aphrodisiac! Ayaka's resilient mind begins to crumble along with her screams...
