Yumi is thrilled after a successful business trip. As she drinks in celebration at the inn, she gets horny and drags her timid subordinate Murata into the hot spring. Forced to share a room with his habitually abusive boss, Murata is toyed with for her stress relief. But another subordinate, Shiomi, witnesses everything and decides to avenge the way she always treats him. Having sex for the first time in ages, Yumi is made to cum over and over like crazy, while Shiomi keeps filling her with creampies no matter how many times he shoots.