Momo Shirai

A young police officer who assists detective [Oniyama](https://anilist.co/character/273456/Dogusaburou-Oniyama). Momo is a peppy, energetic young woman whose appearance defies her capabilities. Though more easygoing, Momo still shows dedication to her profession and shows excellent capacity to work as a team in order to apprehend [Joker](https://anilist.co/character/121152/Joker). She has no problem thinking of both work and leisure simultaneously—though work sometimes falls on the wayside during some Joker-related heists.