(C84) [Shinkai Hikou (Okino Ryuuto)] BiriBiri Shock! (Toaru Kagaku no Railgun) [English] [Tigoris Translates] [Decensored](12)
- Relation manga
- [Anmonkan (Darkmaya)] Toaru Seiyoku no Hoyoumou (Toaru Kagaku no Railgun) [English] {Hennojin} [Digital]
- (COMIC1☆4) [ReDrop (Miyamoto Smoke, Otsumami)] Mousou Railgun (Toaru Kagaku no Railgun) [Chinese] [Decensored]
- Misaka Mikoto Route ni tsuki Index ha Dete Kimasen 123
- (C84) [Juujigen (AKANAGI)] Tatoeba Shokuhou-san ga Kamijou-san to Chucchu Shitari Suru Sonna Sekai ga Moshi Aru to Sureba. (Toaru Kagaku no Railgun) [English] [Tigoris Translates] [Decensored]
- Toaru Kuuki no Index
- [Niidumagaikokkaku] A Certain Erotic Railgun (Toaru Kagaku no Railgun) [Digital]
- A Certain Scientific Childbirth ~ Misaka v.s. Boy ~ (A Certain Scientific Railgun)
- (C95) [40010 1-GO (Shimanto Shisakugata)] O.I.I.H.2018w. (Various) [English] =Mr.MPD=