Yakuza Meets Detective: The Patriarch Murder Incident

On a dark night, a yakuza underling stumbles across the body of her patriarch slumped in his chair. In her quest for vengeance, she seeks the help of five famous detectives to point her the right way.

Set in an alternate, fantastical universe where the yakuza co-exist with detectives, and police figures from various pre-and post-1990s comics.