Oni Chichi - Rebuild

This installment continues the Airi narrative, focusing on the three central characters as they navigate their established open relationship. Their dynamic is disrupted by the return of Kayako, the mother of Airi and Marina. Seeking to reconnect with and "rebuild" her bond with the stepfather, she remains unaware of his ongoing sexual involvement with her two daughters. Concurrently, the stepfather's behavior grows increasingly abusive toward Airi, who has been testing the boundaries of their arrangement by pursuing a relationship with another young woman.