Hyabusa Jao has it bad. He's out of work, and his old boss is using him as a pincushion to train the new recruits. His boyfriend has some mysterious problem that everyone but Jao seems to know about, and now the Anu brothers, rival gangsters from Katawaza, are in Okatsu and walking all over the Good Men.The Anu are looking to collect on an old debt, a debt Jao's best friend thought he'd left behind. They seem to think Akai's daughter should be working off what her father owes. Lucky for Fan, she's nowhere to be found. Trouble is, everyone seems to think Jao had something to do with her disappearance.So all Jao has to do is get his boss off his case, save his boyfriend, and rescue the girl. It can't be that hard, can it? A Field Guide to the Assassins of Muromachi Street is a companion volume to The Mediocre Assassin's Handbook.