After a month of basking in the warmth of her mother's affection, she abandoned reason and continued to have sex with her mother to create a child. (Mary Tachibana, DASS-167)

The father is going on a long business trip starting next week for trade-related work, which saddens the mother. However, the son, "Zheng," has been waiting for this opportunity. Having always perceived his mother as a woman, Zheng has enjoyed their time together through acts like secretly watching her naked and taking photos. After seeing his mother crying alone late at night, Zheng resolves to support and help her as a man.