Durarara!! Re;Dollars Arc, Vol. 1

Mikado Ryuugamine is just trying to pass his second year of high schoolpeacefully, but when he gets word that someone within the Dollars gang iscausing trouble, that's out the window. Everybody's in trouble: Izaya isscheming, Mikado's classmate knows his secret, and Shizuo's being targeted by amysterious girl--just another day in Ikebukuro!