Mai, a timid first-timer, visits Mizuryuu Kei Land, a hedonistic theme park where societal morals are discarded in favor of raw instinct. Guided by her more experienced friends, Mai navigates the park's provocative attractions and discovers her own hidden lewdness. After a series of passionate encounters, she forms an unexpected emotional bond with a fellow visitor, finding a rare romantic connection in a place designed solely for lust.