"I'll do it! I'll become your thrall!" A crossdressing girl and an obsessive vampire find themselves entangled in a dangerous relationship inside the boys' dorm. This is a heart-pounding boys' love-esque romance drama from award-winning author Ema Toyama! Ren discovers Mito's secret—and asks her out! Meanwhile, Ruka returns to the Land of the Vampires only to be accosted for pursuing Mito rather than searching out his destined partner, which would allow him to claim the title of Lord of the Vampires. However, he is informed of a premonition: he will encounter his destined partner upon his return to the human realm! But can Mito compete for his attentions... against herself?!