Ever since she separated from her husband, Ayano has been single-handedly raising her son Ryuji. Mother and son lead a peaceful, happy life together... but Ayano has a secret. Still in the prime of her life, Ayano can't stand a life without men and has been having an affair with a married man at work. To make matters worse, Ryuji witnesses their rendezvous. Upon learning of his beloved mother's infidelity, Ryuji is overcome with rage, and at the same time, his pure love for her turns into a twisted desire. "If this life is so boring, I'll set you free...!" Ryuji says as he plays with Ayano's ripe body...