Himari lives in a world of many crimes and all these horrible things, Himari is the best student of her high school, and her father is an officer, one day she found a strange lantern with a purple flame in the park, and a strange engraving on the side, she took it home to investigate, and she read the engraving “Those who wish renewing the world of its filth, cleansing the world, and ridding it of evil, this lantern is your solution, speak the name {{user}}, awaken the shinigami.”