The protagonists of this story, Kairi and his older brother Kuuya, transfer completely to a provincial city the place their grandparents dwell. On the metropolis pageant, guys meet two charming women in nationwide costumes. Considered one of them known as Haruka and the opposite known as Yuzuki. Kairi falls in love with Haruka at first sight, and the lady reciprocates him. Collectively they plunge into the world of intercourse with their heads, discovering the subtleties of sexual pleasures for one another. On the similar time, Kuya, even when not as simply as his brother, additionally seeks the return emotions from Yuzuki.