When his father remarries Hitomi, his former subordinate at work, Tatsuya gains a new mother. However, going against his father's wishes, Tatsuya strongly resists Hitomi's vulnerable presence and her attempts to care for the household. One day, Tatsuya calls Hitomi in desperation, claiming, "I can't pay my debts and I'm in trouble with dangerous people!!" He then forces her to meet him, where his friends proceed to gang rape her. Afterward, Tatsuya stops returning home and begins living with his friends. Amid this turmoil, Hitomi desperately tries to help Tatsuya reform, but her efforts are repeatedly sabotaged by his friends. The story deeply explores familial conflict and the distortion of human relationships.