Puberty Syndrome - This is an incredible phenomenon that occurs only in sensitive and unstable adolescence.
For example, the wild bunny girl who appeared in front of Azusagawa Sakuta.
Her real identity is a high school senior, actress Mai Sakurajima whose star activities have stopped. Her charming figure, for some reason, cannot be seen in the eyes of the people around her.
Sakuta decides to solve the mystery. During the time Yu Mai spent together, Sakuta knew her secret thoughts.
The heroines appear around Sakuta one by one, and they all suffer from "adolescence syndrome". An exciting story begins in a town where the sky and the sea are shining
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