The three sisters Satomi (Marina Yuzuki), Kaori (Karina Nishida), and Tachimi (Nina Nishimura) are toyed with by Kakinuma, a man dressed as a priest with half his face hidden by…

Aika, a college student who has returned home during summer vacation, is delighted to see Haruna, Yankee, and Nana. All four grow up in families where premarital sex is prohibited….