Schrödinger no Nekomoto-kun

A storm is brewing after school. Since the school had been temporarily closed and the trains had stopped running, Inudou was left unable to return home. He'd been killing time in the art studio when suddenly, the doppelgänger of one of his classmates spoke to him. "Could you help me find my body?" Determined to uncover the truth behind how the body was lost, the two of them set out to navigate the darkened school building...