Shirokuma To FumeikyokuShirokuma to Fumeikyoku; White Bears and Unknown Post-Office; シロクマと不明局

Kumamoto Chieko died just before she could fully enjoy school life as a high school student. Before it's fully decided whether she should be sent to Heaven or Hell, she gets tricked by a mysterious pumpkin-head "person" who instead sends her to Purgatory.