Tsui Ling

mysterious girl kuzuma has flashbacks on always asking, "was I really born just to be eaten by demons?" several things trigger his memory of her in episode 19 a woman named Lapis is made in her form but with purple eyes.You later find out she was a co-worker of Kazuma when he worked at a resturant and became a love interest to which he promises to protect her. Kazuma however was not able to save her and she was sacrificed, Vesalius Rhodes the creator of pandamonium as well as a chairman of Armagest sacrifices Cui-Ling then with her remaining essence makes Lapis in her image as a personal servant.