Shana Yuuki who continues the legacy of the Yuuki clan finds her partner. With a group team of Sannayuki Ichiro and Sannayuki Yori that is half succubus / vampire, Sasaki Regina and Sasaki Mao as a resident of the world, Saki Shiina as a reincarnation character from another world of ninja's, Akayuki Shio the half kitsune, and Ariette Reirkyuu the Beastmancer that was born and raised untill 13 by a dragon, then was taken into orphanage