406FSDSS-899 — I Couldn't Forget My First Love, My Teacher, So I Married His Son, Who I Didn't Even Love, And Now He's My Stepfather, And I Spend Every Night Having Sex With Him.

Ten years have passed since she was dumped by her former teacher. Ayami has never been able to forget him, who broke up with her unilaterally at the time, and in order to meet him again, she approaches his son, whom she does not love, and marries him. After some time has passed, they are reunited as step-mother and daughter, and feeling the warmth of her former teacher, she continues to court him every night, despite her husband being away.