atau dikenal sebagai
Shibuya in Tokyo, a city that continues to change due to redevelopment. At a house in the corner of Shibuya, Ai dreaming of a model, Mizuho working for the editorial department of a magazine, and musician Erika live together. This story is about the modest cohabitation of the three.
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. Four childhood friends with no sexual experience spend the summer trying to lose their virginity. Haruhi Oguri, the female director who was the first to challenge the pink film, vividly reflects the sexuality and life of women with different complexes and habits, and this work of her was highly praised.