Entering high school marks a phase full of fresh chances and thrilling experiences. Yet, it also entails encountering the familiar immaturity one hoped to leave behind. Yuma, Eriko, and Ayano are three close pals embarking on their journey at an exclusive girls' high school, adapting to the eccentric ways of their new environment. Be it academics, social circles, or sexual subjects, nothing is off-limits when teenage girls acquaint themselves with this wild world.