Vermeil is a curvaceous girl standing at 5 foot 8 inches tall with breasts bigger then her head.As Devil she has small black horns, pointy ears and a devil-like black tail.She has shoulder length violet hair and wears a form-fitting black dress that reveals a lot of her cleavage and the majority of her mid to upper thighs.She is a naughty, easy-going and obsessive pervert, is a succubus that can drain someone’s mana by kissing them.Whoever frees her from her book becomes her master.