Rin lost her husband in a car accident. When she suddenly passed away, she stopped drinking alcohol every day and was in mourning for her. One day, her father-in-law Yoji visited her. Yoji, who has been extremely attached to Rin since her husband was alive, takes out all her grudges against Rin for the loss of her beloved son. Rin is forced to drink sake by Yoji. Yoji knew that when Rin drinks, she turns into a horny woman. A few minutes later, Rin, who has alcohol all over her blood, is with her hated father-in-law.