The whole story of a girl's obscenity that takes place in broad daylight in a dilapidated housing complex. There is a gathering place for girls called "secret base" in the housing complex that has been decided to be demolished and is off-limits. Only small girls with the permission of a man called "Uncle" can enter there. The captured images show an innocent girl playing and a girl being mischievous by an "uncle". During the summer vacation, a tanned girl unknowingly experiences sexual intercourse as an extension of "play" and abandons her virginity.
