Misa lost her husband just as her daughter got married and left home. For three years after losing her husband, Misa tried to fill her loneliness by having relationships with multiple men. However, he can't stay with anyone for long and his loneliness only increases. At that time, his girlfriend's daughter and her husband asked her to live with him, so they decided to live together. Because she has a daughter and her husband, it is difficult for her to find a new partner, so she covers up her loneliness by masturbating. She was being watched by her son-in-law. ``Shall I take care of you, mother-in-law?'' Even though she is tormented by her guilt, Misa ends up getting mixed up with her son-in-law...
