Never Expected to See Mako Here

25flavors says: Both Kill La Kill and Inou-Battle wa Nichijou-kei no Naka de are produced by Trigger Animation. Coincidence? Probably not since there was another Kill La Kill reference in the first episode.
crossover anime kill la kill When Supernatural Battles Became Commonplace - 8397205504
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crossover anime kill la kill When Supernatural Battles Became Commonplace