Bungo Stray Dogs manga volume 1 features story by Kafka Asagiri and art by Sango Harukawa.

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!