Durarara!! 3way standoff -alley- Manga Volume 1

'Durarara!! 3way standoff -alley- Volume 1' (デュラララ!! 3way standoff -alley- (1)) is the first volume in the manga adaptation of the Durarara!! 3way standoff video games. The manga was serialized in ASCII Media Works' monthly Sylph magazine.

Synopsis
Miyoshi Yoshimune (nicknamed Yoshi-Yoshi) just moved to Ikebukuro. While exploring his new town with his classmates Mikado, Masaomi, and Anri, he hears rumors about color gangs and a Headless Rider. Chasing after these rumors, he becomes dragged into a conspiracy involving the whole of Ikebukuro.