Yuri Tadokoro stars in this intense erotic drama about a forbidden relationship with her stepson. On that day, she crossed the line as a stepmother—she could no longer hold back. She craved it, deeper and harder… To fulfill her desire, her bond with her stepson grows increasingly intimate. Passionate and impulsive encounters unfold, leading her to become pregnant. Filled with raw emotion and eroticism, this is a deeply moving story of taboo desire.