A simple argument leads to a husband and wife fight. Feeling lost on what to do, the angry wife leaves, leaving her sister-in-law, Luisa, to mediate the situation. As she gently supports the confused Yuuta, Luisa's stunning beauty, perfect curves, and model physique leave him feeling increasingly aroused. Trying to escape these feelings, he enters the bathroom... but before he knows it, Luisa has invaded his privacy. *Note: Content may vary depending on distribution method.