贅沢な暮らしに耽溺し、複数の若い男たちと平然と浮気を繰り返していたこと

Naomi, having grown, indulged in a luxurious lifestyle behind Joji's back, and repeatedly committed infidelities with numerous young men, including Joji's English teacher and a student named Kumagai. While devouring Joji's wealth, Naomi calmly lied and repeated her betrayals. Finally grabbing decisive evidence of her unfaithfulness, Joji, in intense humiliation and anger, resolved to kick Naomi out of the house.