Kadokawa Corporation
is a Japanese digital collectible card game released by Fujimi Shobo and Media Factory, two brand companies of Kadokawa Corporation. It was first announced in 2013. The franchise theme song is by L.I.N.K.s, a group composed of the voice actresses Yūka Aisaka, Mai Ishihara, Yoshiko Ikuta, Rie Takahashi, and Nozomi Yamamoto.