https://www.mangaupdates.com/series/p2sxqne/4-koma-koushiki-anthology-toaru-kagaku-no-railgun-x-toaru-majutsu-no-index This feed shows the latest releases for the series 4-koma Koushiki Anthology: Toaru Kagaku no Railgun x Toaru Majutsu no Index as shown on MangaUpdates.com