Des:Rieko and Takashi work at a consulting company for hot spring inns. The two of them decide to go on-site to investigate the renovated hot springs, but due to a mistake at the hotel, only one room is available, so they end up staying in a shared room. The benefits of the hot springs at this inn are tonic, nourishing, infertility treatment, and boosting sexual desire. After taking a bath, Takashi gets horny and attacks Rieko. Rieko loses her reason and asks for Takashis cock to cum over and over again...