On a hot day right before the summer vacation, all first-year male students of the second class from a junior high school disappear. Was it an accident? A group abduction? In fact, they were hiding in an abandoned factory near the river, and used it as a liberation area to rebel against the adults. The adults are in great confusion by the huge and unexpected operations cooperated by the female students; entangled with real abduction cases, a corrupted mayor election, and even involving parents and television reporters who are thrilled by the liberation broadcast and barricade. The comedy mystery progresses in a light tempo that doesn't give the audience a chance to breathe until the brilliant end that is full of satire. 得不到的一直在骚动。青春作伴不留白，勇敢发声齐抗争!。 动画版的故事设定在2020年，讲述了某学校中学一年级的男学生们，集体在废弃工厂建立所谓的“解放区”，并发动了针对大人们的“叛乱”后的故事，借此反映了学生学业过重、学校对学生任意进行体罚等种种社会问题。
