Hinata, who is terribly bullied by her schoolmates, longs for a zombie world far away from everyday life. Kasumi, who is sexually assaulted by her father and friends, has attempted suicide several times. One day Hinata suddenly begins to behave strangely and the two meet. Two students who seem normal at first glance cannot come out of their darkness. Only at night do they come to life in their own world! However, such trivial happiness doesn't last long...