KA Esuma Bunko is a light novel label that's published by the animation production company Kyoto Animation. The label's light novel volumes are not sold in usual bookstores, but through the store and online store Kyoani Shop!, Kyoto Animation's goods dealer, and Lawson's store terminals "Loppi". The label started on June 1st, 2011 with the release of the first two light novel volumes under this label. They are responsible for publishing 20 Seiki Denki Mokuroku.

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