During a heated argument between a married couple, the wife's stepmother, Yurine, steps in to mediate. Always composed and graceful, her gentle and refined manner instantly soothes frayed nerves. As her calming voice envelops them, the tension gradually melts away. Unlike his perpetually irritable wife, Yurine is a serene and beautiful presence, her warmth drawing him in irresistibly. That night, he unexpectedly encounters Yurine while she's stepping out of the shower, setting the stage for an unforeseen turn of events.