A married woman "Yuri" who married a husband with a child. After living with her son-in-law, she was confused but led a happy life, but was attacked by her son-in-law who made her love run wild. "Yuri" wakes up as a woman with the sexual desire and love of a young man who does not know how to stay. A chaste married woman is absorbed in unfaithful acts, drowning in sexual intercourse without worrying about dangerous days.