在这部迷失课后剧情片中,《小•旅行》爱逃课的有川夕希（未来穂香 饰）和一本正经的班长绚子（高嶋香帆 饰）成为朋友，绚子不愿继续遭受家暴，她和夕希踏上了一段短短的逃亡之旅。《涂鸦上书》一度失去画画动力的里未（佐藤堇 饰），在已经退学的好友古谷（大石悠马 饰）的鼓励下再度拿起画笔，但是同在美术部的荻野（中山绘梨奈 饰）似乎有意在破坏她所拥有的一切。《倍音》一所次年关闭的高中正要举行最后的文化节，优等生桥本里佳（松冈茉优 饰）在此期间和即将留学的黑井（古泉葵 饰）越走越近，她们录下学校的声音，享受着孤独而快乐的最后时光。
本片根据五十岚蓝的短篇漫画《World Gates Clipse》改编。
Adapted from the World Gays' Clips manga, the omnibus style film contains three segments. In the first story, a high-school girl who is the head of class is bullied. She is also beaten at home. A class-mate who skips class asks her to run away together. In the second story, a schoolgirl who draws has a best friend who shares her hobby. They are also rivals. In the third segment a schoolgirl is talented in calligraphy. She practices on the school wall and is quite the vandal. A teacher suggests she puts her calligraphy to a good use instead of creating graffiti.
戛然而止的美丽故事，像艳遇。你会在那时出现，然后不见。又一则青春物语。青春=未完成。全程看颜值。清晨出门遇到的第一棵树。迷失的百合。迷失课后。少女少女 怀抱里来。lack of memory capacity。
