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The two hostesses of the Dark Tournament. Koto resembles a cat, while Juri resembles an amphibian. At the end of the manga, the two and Ruka, the nurse of the Dark Tournament, become the "Cult Trio" and become widely popular on human television. Koto and Juri are revealed to have a crush on Toya and Suzuka respectively. Koto is voiced by Ai Orikasa in the Japanese version and Amber Cotton in the English dub, while Juri is voiced by Katsuyo Endou in the Japanese version and Jamie Marchi in the English dub.

Source from Wikipeida