Iroha, who lives in Nihonbashi Ningyo-cho, an upscale, historic district in Tokyo. Her beauty consciousness is unparalleled, and she hasn't changed since her days as a fashion model! Her husband, who runs an IT venture, is 45 years old and approaching middle age. Is it about time for a sexless relationship? Although she was a model, she is贞淑 when it comes to sex, very traditional. She would never have sex with a man other than her husband after marriage... But her body craves a man, aching for attention.