Overwhelmed by work and drifting apart, Mei finds herself drawn into a forbidden relationship with her brother-in-law, reaching the heights of drama. What starts as a simple promise of kisses progressively escalates, culminating in a reckless act of unprotected intimacy that captivates viewers. Notably, Itsukaichi Mei's performance shines, showcasing her allure as a sister-in-law. Although the beginning felt slightly lacking, the developments from the midpoint onward are astonishing, with the scenes of consecutive climax being particularly irresistible. The passionate journey of the two running until the end leaves a powerful impression on the audience. Overall, the way the intensity builds is remarkable, and this work is definitely worth experiencing.