Maria

Maria is the daughter of the demon king. She has a counterpart named Mao who is the "daughter" and reincarnation of the demon King. Mao is the abrasive personality (with attraction for Blade) while Maria is the submissive shy personality. Maria is the original personality. Both personalities live in harmony after the story further develops.

Appearance
Maria is a female teen with gray eyes and purple hair that is to chest length.

Blade
Being the person who sealed her father and the rest of her species in the underworld, Maria immediately took an interest in Blade, which over time ended up turning into affection and finally love. Maria went from wanting to just be Blade's lover to being one of his wives in the future.

Arnest
Due to the statements that Maria makes about wanting to be Blade's lover and then wife, Arnest feels that he cannot take his eye off her, since like Jessica, Maria is willing to do anything to achieve her goals with Blade. Despite this, both are good friends and do not hesitate to reach out to each other in their times of need.

Lunaria
As with Jessica, Lunaria seeks to learn all the seduction techniques she can from Maria, and then use them on Blade.