Mariel  

1. In Ritsuko and Gargantua's world, there is a princess named Mariel. 2. One day, when she is placed under Ritsuko's care, she meets Gargantua and develops a crush on him. 3. Later, she is kidnapped by Gargantua and sacrificed to Lilith, committing suicide by poison. However, she is reincarnated as a maid for Tamamonomae. 4. Toward the end of the anime, Mariel accepts a proposal from one of Gargantua's henchmen, who falls in love with her after she tends to his injury in a gentle and caring manner unlike his neglectful master.