The protagonist, “Takashi Kusunokuni,” a student who is short for his age and has a baby face, was always being pampered and teased by his cousin, “Kaga Takasagi,” as well as “Imari Amamiya,” the female dentist who handles his regular dental checkups, and “Rito Nagaoka,” his assigned therapist at the massage parlor. However, it comes to light that Imari and Rito are trying to monopolize Takashi and take his virginity. Kaga, as his cousin, begins to aggressively court Takashi to protect her younger brother, while Imari and Rito do the same to make him theirs alone...

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