Emiko, a 46-year-old wife, has been married to her 42-year-old husband for 5 years. They are late bloomers who got married after a workplace romance. Her husband is busy with work and hasn't been paying much attention to her lately, so she's feeling frustrated. While preparing dinner, she receives a message from her husband. He says he'll be late due to overtime and won't make it for dinner. After replying, in order to alleviate her loneliness and accumulated desires, the wife starts masturbating on the spot. The wife, who has resolved to overcome the period of stagnation, appears in the bedroom at night in sexy lingerie. At that time, her husband…