Not Evil!

Yomibayashi Iwo possesses the ability to discern the sincerity of a person's heart by listening to their voice. After deciding to end her life due to her inability to trust others, she awakens at a non-existent train station called Kisaragi. There, she boards the Spirit Train and is told by the Conductor to join two others, Kuchinashi Chihiro and Shinomezaki Azuma, in battling monsters that have entered their world.