Cecilia Israfilia

Cecilia Israfilia (セシリア・イスラフィリア) is the demon lord of Lust. Karna stumbles upon her demon castle and breaks the entrance barrier not knowing anything about it belonging to a demon lord. After some of her servants come to see what happened, they attempt to kill Karna but fail and get defeated. Seeing the fight, Cecilia was impressed by Karna's strength and suggest that he serves her which he accepts for a salary of 20 million gold a year.