School is supposed to be the safest place in town—until the zombies come knocking.
Yuki Takeya absolutely loves school and spends her days enjoying classes, club activities, and time with her friends in the School Living Club. Alongside Yuki are the practical Kurumi, dependable Yuuri, and newcomer Miki, all of whom seem to have found a wonderfully carefree way to live at school. But beneath the cheerful slice-of-life atmosphere lies a much darker reality: the girls are actually struggling to survive inside their school after a zombie outbreak.