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
Yoshimune Miyoshi returns to Ikebukuro. While exploring 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.