"I'll do it! I'll become your thrall!" A crossdressing girl and an otaku vampire find themselves entangled in a dangerous relationship. Don't miss this heart-pounding romance from the award-winning Ema Toyama, perfect for fans of Crimson Spell, Black Bird, and He's My Only Vampire!Ruka has finally realized that he loves Mito. Man or woman, destined partner or not, he is determined to show her how much he cares. But he arrives too late—Ren has turned Mito into a boy and, by her own wish, erased her memories so she could escape the pain Ruka caused her. Mito and Ren are now engaged to marry. And no matter how Ruka has tried, Mito still doesn't remember him. With the wedding ceremony approaching, Ruka becomes ever more desperate. Will he be able to make up for hurting the one he loves, or will he lose her forever...?