Maki Hojo's seemingly happy life is suddenly thrown into turmoil. Though she had been content in her marriage, she harbors a dark secret—she's been engaged in a physical relationship with her son. Despite knowing it's wrong, her body succumbs to pleasure, spiraling out of control beyond her own recognition. The bond with her son has grown too deep to stop, etching itself into her soul. Her son's restraint reaches its limit, and their overwhelming emotions begin to swirl uncontrollably. Their forbidden relationship intensifies, driving them toward an irreversible, inevitable conclusion.