Ayako often lives with her son Kensuke alone because her husband is frequently on business trips. Kensuke excels academically, and his friends come to him for help with their studies. One day, however, those same friends attacked Ayako. She was tied up with rope and raped by her son's classmates' young penises. When threatened with 'I'll tell Kensuke,' Ayako was toyed with like a plaything. The humiliating acts escalated daily. As the final act, they gang-raped Ayako in front of Kensuke…
