: Michiko, once the victim of her husband Yoshio's infidelity, has fully transitioned into a more calculated and formidable player. She continues to leverage her position and her child to secure her future, often outmaneuvering both Yoshio and Machiko.
: Yoshio (Ken Ishiguro), the man caught between these two women, finds himself increasingly isolated. His attempts to maintain control over both his household and his secret life crumble as the women stop being passive participants in his games.
In this penultimate episode, the psychological battle between the "real wife," (played by Ryoko Yonekura ), and the "mistress," Machiko Nogami , reaches a boiling point as their lives become inextricably linked through their children and shared distrust of Yoshio.