Kurumu Kurono (黒乃 胡夢 Kurono Kurumu?) is a Succubus and a third year student at Yōkai Academy. One of her goals was to take Tsukune Aono from Moka Akashiya. Despite her numerous sexual advances towards Tsukune, in actuality, Kurumu is a very innocent character and genuinely yearns for Tsukune's love.