LN: Accelactor, Hamazura, Index, Birdway, Touma, and Fremea Seivelun
Index, Lessar,Birdway, and Touma
Toaru Majutsu no Index season 4 will continue if the official merchandise sales from Anime Toaru Kagaku Railgun T are sold like the Blue Ray DVD and other official Merchandise.
Said Kamachi, and hopes that more and more anime are bought because there are still many factors that are still kept secret about a Kamijou Touma
via: toaru universe