[Dr.VERMILION (Petenshi)] Seiteki Koukishin Shoujo (Toaru Kagaku no Railgun) [Digital](101)

Relation manga

(C84) [Natsuiro Shoujo (Takanashi Haruto)] Shiyouyo! (Toaru Kagaku no Railgun) [English] [Tigoris Translates] [Decensored]

[Sombrero] Zetsuentai Lovers | 黑子酱不觉来电 (Toaru Kagaku no Railgun) [Chinese] [K记翻译]

[Toraya (ITOYOKO)] Toaru Omeko ni Railgun | A Certain Pussy Railgun (Toaru Majutsu no Index) [English] [Doujins.com]

(COMIC1☆7) [GEGERA STANDARD (Gegera Toshikazu)] Saikin, Saten-san no Ochichi ga Tongatte Kite run Desu Kedo (Toaru Kagaku no Railgun) [Chinese] [WTM直接汉化]

(C84) [I.G.Project (NEKO)] Kuroko to Oneesama no Raburabu Nyouyoku Taimu (Toaru Kagaku no Railgun)

(C83) [Majimadou (Matou)] Oneesama Kaizan Training Diary (Toaru Kagaku no Railgun) [Chinese]

(C95) [40010 1-GO (Shimanto Shisakugata)] O.I.I.H.2018w. (Various)

(COMIC1☆3) [Cior (Ken-1)] Beautiful Harp 3 (Toaru Majutsu no Index) [English] {Doujins.com}