Born and raised in a wealthy family, married to an elite trading company man.She is Bunyo (Matsu) who lives without any inconvenience.On the other hand, her neighbor Reika (Kanna), who has finally found her happiness after working in a brothel after her unhappy childhood, hates naive young ladies like Bunyo.She finds her purpose in life to make her innocent married woman fall into pleasure hell with her husband who was a customer of the store.When Reika finds out that her husband, Bunyo, is on a long business trip abroad, she puts out a play to fuck Bunyo, and Bunyo falls into a trap.