The heroine, Hairi lives in a place called “Toukyo” which is a cursed town that she’s always wanted to leave and see the outside of. However, you cannot leave the city without wearing glass. But you’ll turn into glass yourself and die if you do not return before midnight. Hairi one day tries on some glass slippers after she’s told by someone they would suit her. She promises to someday buy them and as she continues to live in the same town, she encounters a wizard. He offers her the glass slippers saying she will be the key to undo the curse.