A 44-year-old Kuroki Koyako, who is married in her 15th year, lives with her husband in a park. Sexless and frustrating everyday. One day, the man next to him caught a peek and frustrated himself. Koyako who makes a jealousy in front of herself and escalates with handcuffs and blowjobs. The older brother of the man who found out about it scolded Koyako for vengeance.