OVA
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1 episode
Toaru Kagaku no Railgun S: Daiji na Koto wa Zenbu Sentou ni Osowatta
A Certain Scientific Railgun S: All the Important Things I Learned in a Bathhouse · とある科学の超電磁砲S 大事なことはぜんぶ銭湯に教わった
Sinopsis
Bundled with the official visual book.
Trailer
Trailer belum tersedia untuk judul ini.