Yu (Mochizuki Yu) marries Takashi and lives the happy life he dreamed of. However, because she married into the Kuroki family, she continues to be harassed by her mother-in-law Ageha (Kuroki Ageha). Ageha, who doesn't like Yu's every move, seduces Yu's younger brother who comes to play and teaches him the taste of a woman. She also has a physical relationship with Yu's beloved husband, Takashi. The Kuroki family was a perverted family...