Kuroi Hinata began as a mysterious informant to local police, but now she’s allied herself with Sergeant Isogai Shiro. Together, they can finally hunt down his fiancée’s murderer. While he may not understand this young girl’s supernatural ability, he’s happy to take advantage if it means locking away society’s most dangerous criminals. However, a new player enters this game of cat and mouse and may upend their delicate balance. When it comes to hunting murderers, a single misstep could prove fatal!