volumes : 20 cm Having been kicked out of the orphanage, a despairing young man by the name of Atsushi Nakajima rescues a strange man from a suicide attempt--Osamu Dazai. Turns out that Dazai is part of an armed-detective agency staffed by individuals whose supernatural powers take on a literary bent! 01 -- 02 -- 03 -- 04 -- 05 -- 06 -- 07 -- 08 -- 09 -- 10