HAPPINESS IS A RAILGUN
Toaru Kagaku no Bitch Ka Keikaku
(COMIC1☆4) [Takumi na Muchi] COMIC1☆4 Omake bon (Toaru Kagaku no Railgun)
(C86) [Aokihoshi (Flyking)] Toaru Shinkou no Carnival (Toaru Kagaku no Railgun) [English] [Tigoris Translates]
(C88) [Aspergillus (Okara)] After Festival (Toaru Kagaku no Railgun) [Chinese] [脸肿汉化组]
[Studio Q (Natsuka Q-Ya)] Dengeki Musume to Tenkuu no Ryoujoku Ou (Toaru Majutsu no Index) [Digital]
(C77) [Shikitenshi (Shironeko Sanbou)] Toaru Hinnyuu no Naichichi Hon | A certain flat-chested Railgun book (Toaru Kagaku no Railgun) [English] [Yuribou]
(C77) [Purimomo (Goyac)] Onee sama…Ku, Kuroko wa Kuroko wa Mou ! (Toaru Kagaku no Railgun)