During a school trip, homeroom teacher Horiuchi misses his lodging due to a reservation error... Two high school girls from his class, Noa and Ena, see their teacher's predicament and gladly agree to share a room... These Generation Z girls with their super-developed, plump breasts are deeply interested in anything naughty! They lose themselves in the waves of their overwhelmingly voluptuous bodies and breast pressure, and engage in a nonstop reverse threesome harem until the morning...