"Yuka" got married to "Kenji" who is a junior at the company.Kenji's family consists of his father and older brother.Yuka begins a newlywed life in the same house.The presence of the cheerful and intelligent Yuka seemed to light up the dark house of her male household.A father-in-law who cries and rejoices.It seemed that a fun new life would begin, but the shut-in brother-in-law "Shuichi" looked at Yuka's beautiful style and her face with moist eyes.Yuka tries her best to treat Shuichi cheerfully, even though she finds Shuichi's attitude eerie.One day, Yuka, who was given an aphrodisiac, was violated by Shuichi.She should have been full of contraindications and disgust, but she was surprised by Shuichi's huge penis, and felt her unprecedented pleasure, and she wanted it herself.And Yuka was drowning in the relationship with her brother-in-law.