Rei and Sesera, who have been in a relationship since school days, met occasionally and talked about the latest situation even after they got married. However, over the past few months, Sesera has felt that her husband's ill-mouthing has increased from her mouth. Seeing Rei like that, Sesera invites her to her inn, saying, "Would you like to go to the hot springs with me?" Then came the hot spring inn. The proprietress, Yui's smile, and Rei who relaxes his mind and body in the hot spring. However, when her temperature rises, Yui, the proprietress, suddenly comes to the women's bath.
