A gloomy, uninteresting, and unlucky housewife, Kana, who is ignored by her husband. The only time she feels happiness is during her daily masturbation routine. One day, while masturbating to the sound of sex coming from the next room, Kana's moans are too loud and she gets caught by her neighbor! This triggers her to reveal her lewd nature and she begs for her husband's and her neighbor's penises for continuous sex! The gap between her plain and unlucky appearance and her lewdness is irresistible!