A world where humans and fantasy beings coexist... A human police officer, Ogihara Hagi, patrols the city with his dragon partner, Hinagiku. Together, the odd duo—a careless, good-for-nothing human and a kind-hearted, earnest dragon—solves crimes. The odd couple of a careless good-for-nothing human and a scary looking but earnest and gentle dragon are on the case! *Note: Includes 6 extra chapters.*

A collaboration between Osomatsu-san and Ultraman.

"Abdominal Perforation Syndrome" - when children enter puberty, a hole forms in their belly. It closes automatically as you grow up, and having gone through this experience is a sign of adulthood. This story centers around junior high school student Asahina Chimaki and those around her, as they are torn between childhood and adulthood.