Ranmaru is a 450-year-old vampire who works in a bathhouse. As a vampire he is particularly picky about his blood choices, his main goal being to drink the blood of an 18-year-old virgin. To do so, he has been watching 15-year-old Rihito, the son of the bathhouse owner who saved him from near death. Rihito must not lose his virginity before he turns 18 and Ranmaru does everything he can to prevent that. However, when Rihito starts to show interest in a classmate, Ranmaru's desperate fight to preserve the boys virginity begins.
When 15-year-old Rihito falls in love, an ancient vampire who craves 18-year-old virgin blood must protect the teen's virginity at all costs.
Kanae's husband disappeared without a trace while on a union trip. Though usually headstrong and independent, the woman becomes plagued with worry over what happened to him, and is unable to move on with her life. Thus, Kanae decides to hire a private investigator, and keeps running the public bathhouse to the best of her abilities. As he tries to figure out the truth about her husband, Kanae must deal with the stress from a work-intensive job, meddlesome neighbors, and recurring nightmares in which she is drowning.
Two estranged brothers inherit Marukin Hot Springs, a small-town bathhouse. One sees it as an homage to their late father; the other—a struggling architect—as lucrative real estate for condos. Their eclectic collection of townsfolk customers show them the value of the bath goes way beyond a scrub and soak.
