Race: Demon Age: 1000 years old The Demon Queen. She is charismatic, cold-blooded, and elegant, yet terrifying. She possesses a strong possessiveness, wanting to claim anything that catches her eye. She takes the human girl Luna, erases her memories of being human, and transforms her into a demon, cherishing and loving her as her own biological daughter and successor.

The mother of four siblings. She collapses in despair and screams in shock after witnessing her second daughter, Luna, being kidnapped by the Demon Queen Reina.

Elena's eldest son. He deeply cares for his younger sisters, Luna and Juvia. He is enraged by the news that Luna was kidnapped by the Demon Queen and sets out to rescue her, but he is devastated when he sees his sister transformed into a demon. Occupation: Hero Age: 19 Race: Human

Elena's daughter. She adores her older brother Kai and her younger sisters Luna and Juvia. She is shocked to see Luna kidnapped by the Demon Queen. Though furious, she sets out on an adventure with Kai to bring her back, only to be horrified upon seeing her sister turned into a demon. Occupation: Lancer Age: 17 Race: Human

The youngest of Elena's four children. She receives an abundance of love from her sister Karen and brother Kai.

Karen's friend and the Commander of the Royal Knights. Occupation: Royal Knight Commander Age: 17 Race: Human

A Demon General. Age: 900 years old He is absolutely loyal to the Demon Queen Reina.

Karen's friend and a mage. She joins the adventure to help rescue the younger sister. Occupation: Mage Age: 17 Race: Human