In the year 2024, the world has collapsed. Grotesque monsters lurk amongst the ruins of Japan, while remaining people scrape together what they can to survive. Kiruko, an odd-job girl in Nakano, accepts a mysterious woman's dying wish to take a boy named Maru to a place called Heaven. Maru is convinced that there will be a boy there who looks exactly like him.

Rich heiress Reiko Hosho lives a double life as a novice detective, fighting crime under Inspector Kazamatsuri—also from a wealthy family. After work, Reiko sheds her pantsuit to don a lovely dress for dinner each day. Difficult cases force her to confide in her butler Kageyama, who proceeds to savagely ridicule her inability to solve mysteries, all while brilliantly unraveling each case himself.

High school student Ichigo Kurosaki lives an ordinary life, besides being able to see ghosts and the blurry memories of his mother's death under strange circumstances when he was a kid. His peaceful world suddenly breaks as he meets Rukia Kuchiki, a God of Death.

To rescue a famous criminal from imprisonment, Lupin and his team infiltrate the Kingdom of Dorrente. While the skillful thieves from around the world are gathering, Lupin tries to reveal the secret hidden in the kingdom.