Hikari and Kouki enjoy a loving and happy newlywed life. They visit Kouki's father to formally introduce themselves, but soon discover that he is the same man who was Hikari's sugar daddy years ago. The father begs Hikari to keep his identity a secret from his son and pleads with her, saying, "Spend one night as my woman." His past sex addiction resurfaces as he reconnects with Hikari's hidden secrets. To protect her current peaceful life, Hikari prepares herself to be taken by her husband's father tonight.