Watch 4-koma Koushiki Anthology: Toaru Kagaku no Railgun x Toaru Majutsu no Index Watch now on Miruro — Free Anime Streaming A 4-koma anthology of the Toaru series. Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedScore58/100SourceOriginalCountryJapan Comedy · Slice of Life 4-koma · Anthology Toaru Majutsu no Index (Parent Story) · Toaru Kagaku no Railgun (Parent Story) MISAKA 19090 (Supporting)