Madame Selene is the owner of the afterlife entertainment district which serve as a waiting place for a soul before their judgement. Despite being one the afterlife department heads, she is sealed by the rule says that she is not allow to deal with things regarding demons as they say she has no power to protect herself. However, after demon left her a mysterious message, she decided to defy the rule to decode it. In her plans of analyzing the message, she met a a grim reaper that says that she resembles the woman he remembers in his only memory of his life as a human. Will they find their resolve in this journey?