The legendary master thief is supposed to be a criminal of the century, but he turns into a child and becomes part of a police family?! Master Thief Lupin always manages to slip through the police's cordon and steal valuable jewels. It should have been easy as usual. However, that day, immediately after stealing the jewels, he was shot by someone, and when he came to, he had transformed into a child! And unfortunately, the family that took in the child Lupin was the very police family that had always been chasing him! He can't escape from this eccentric family, no matter how hard he tries! If his true identity is revealed, he'll be arrested immediately! A thrilling master thief action story begins! (Source: Shogakukan, translated)

The Imperial Capital Onmyou School is a three-year boarding school that trains officers for the "Imperial Onmyou Bureau," a national demon-exorcism agency. Yakou, Issei, and Reiji are second-year students at this academy. One day, Reiji finds himself on the verge of expulsion after injuring the son of a military official. Yakou and Issei plead with the principal to save Reiji, but as a condition for overturning his expulsion, they are ordered to investigate and capture "Semimaru," a mysterious masked man who has been attacking the upper class...

The young detective inspector, Rokudo Rin, meets a woman named Joker, a special investigation judicial officer with a silver prosthetic eye and the ability to transform. Her true identity is shrouded in mystery, and it seems she has a secret...!? Attracted to Joker, Rin finds himself at his mercy, but he also finds himself embroiled in a series of events... (Source: Shinshokan, translated)

Normal high-school student Tateishi Kaoru's girlfriend is the popular idol Inui Yuki. After school, Kaoru finds Yuki entering a love hotel with another man. The recent prostitution rumors linger in the back of his mind as he chase after her, but he had to know the truth. As he encounters the gigantic man who seems to be stalking Yuki, he begins to uncover the mysterious powers surrounding his girlfriend.

A former “strongest demon bride” runs for the sake of the ayakashi living in Asakusa city! A modern story of reincarnation. Ibaraki Maki is a high school girl who lives in Asakusa and loves to eat Asakusa cuisine. Although she is a human, she gets involved in ayakashi-related business and solves them by brute force. She actually has a secret, that is, she remembers her previous life. In her previous life, Maki was not a human being but a demon princess named ‘Ibaraki Doji’ who was well-known during the Heian period. With her classmate Amasuke Kaoru, who is the reincarnation of ‘Shutendoji’ who was also her ‘husband’ in previous life and Tsugumi Yurihiko, who was a former ‘Nue’, they travels around Asakusa to help troubled ayakashi such as Temari Kappa who is exploited at his part-time job and a family of Mametanuki who runs a long-established soba restaurant.

2 separate short stories of Tajima and Hanai, with a tinge of Hanai refusing to admit that he's madly in love with Tajima (who's he kidding?) and a serious side of Tajima in the second part.