The brother and sister-in-law who agreed to accommodate their sibling, who was coming to Tokyo for work, found themselves drawn to the subtle allure of the sister-in-law they hadn't seen in a long time. The brother-in-law, whose mind wandered to lewd thoughts, noticed the sister-in-law's longing for a child, contrasting with her husband's neglectful focus on work. Despite knowing it was wrong, her body reacted. The shock awakened dormant desires within the sister-in-law, leading her into a relationship where she repeatedly engaged in raw intercourse with her brother-in-law during her husband's absence in broad daylight.
