The Totsuki couple was troubled by the husband's erectile dysfunction. They saw an advertisement for a hot spring that claimed to boost vitality and decided to go on a trip, also taking the opportunity to send the father-in-law to recuperate. Although they expected the secret hot spring to work, there was no effect on the husband... but surprisingly, it worked wonders on the father-in-law! Despite his reluctance, Rui-sa gently performed sexual processing as assistance for the father-in-law's unwanted full erection. However, once awakened, the father-in-law's penis, combined with Rui-sa's beautiful yukata appearance, did not subside easily. The two's uncontrollable desires clashed fiercely...＃班長P
