During the third-year memorial service for her stepmother, Ikka learned her stepfather's secret and was raped. Since then, she has been repeatedly subjected to bondage play and mischief. Eventually, her stepfather began to force himself on her even in front of her husband. One day, her husband died while on a business trip, and Ikka found herself surrounded by feelings other than grief. Ikka and her stepfather, consumed by their own lust…
