Koushiki Comic Anthology - Toaru Kagaku No Railgun Featuring Toaru Majutsu No Index

Vol.1 Chapter 2: A Certain 177Th Branch's Teatime
Vol.1 Chapter 1: Shirai Kuroko Grows Red
Vol.1 Chapter 3: Kuroko's Weak Point
Vol.1 Chapter 1: Shirai Kuroko Grows Red
Vol.1 Chapter 3: Kuroko's Weak Point
A 2 volume anthology series featuring A Certain Magical Index and A Certain Scientific Railgun characters.