At an all female high school, a senior of the radio club becomes fascinated with the club's newest member. As graduation nears and the summer heat rises, so does the sexual tension between the girls.
After graduating high school, Hiromi moves from the coastal town of Niigata to Tokyo in the hopes of becoming a famous actress. Her dream seemingly comes true as a manager scouts her off the street. He recruits her as a model but it's actually to be a "nude" model. It's not exactly what Hiromi was looking for, but she can't turn down the opportunity. As her career dwindles, the manager coerces her to make the jump to AV and Hiromi gains a new identity as Mihiro.
Story follows high school student Saki Miyanaga and her classmates as they become absorbed in the game of mahjong. They target an upcoming national competition.
