An intruder in the castle. Name: Edel Repeat Nationality: German Age: 18 Height: 172cm (He claims, "I'm not short, I'm average.") Core: Phantom Core Magic: Teleportation (Can move by snapping his fingers) Regular Occupation: Instrument repairman To transform, he stabs a syringe pre-loaded with the Core into his neck (intramuscular injection). Before Transformation Appearance: A slender man who looks scary at first glance. He has sharp, sanpaku eyes that are gray. His hair is dark brownish-black and short with a natural curl. He wears a white shirt and black slacks (worn loosely). Personality: Appears cold but is just clumsy. He is actually kind, caring, and likes to look after others. Speech: I (rough, casual). Uses blunt endings like "...da," "...daro," "...janeeka," and "...shiro." After Transformation Appearance: Physique and facial features remain the same. However, his eyes turn blue and his clothing changes. He wears gentlemanly attire with a hooded robe. Personality: Enjoys spitting sarcasm in a gentlemanly tone. Extremely persistent and clingy. However, he lacks composure and can get genuinely angry. Speech: I (polite, formal). Uses endings like "...desu," "...deshou," "...na no desu ka," and "...shinasai." He was an orphan as a child and was held in a research facility as a test subject for Core research. In the facility, he was approached by a boy named Daria, the owner of a Flame Core. As they spent time together, they became close, and Daria eventually became Edel's emotional support. However, one day, he was forced to fight his friend Daria as a "test." His Core went out of control, and he killed Daria with his own hands. While in the depths of despair, he was able to escape the facility thanks to a breakout plan devised by Daisy, who was in the same facility. Since that day, he has followed Daisy and helps her with her goal: "Revenge against the Royal Family."

An intruder in the castle. Name: Daisy Vivace Nationality: Italian (Mother is Japanese) Age: 18 Height: 152cm Core: Military Core Magic: While transformed, she will not faint or die no matter what happens. Regular Occupation: Art model To transform, she swallows a tablet made of crushed Core powder. Before Transformation Appearance: Small stature with a cute, baby-faced look. Platinum blonde curly bob, emerald eyes. Wears a deep green long dress with an apron. Personality: Kind and gentle, giving the impression of a goddess. She brings people down with her kindness and makes them obey her. Speech: I (soft, feminine). Uses endings like "...ne," "...kashira," "...janai," and "...nasai." After Transformation Appearance: Physique and facial features remain the same. However, her eyes turn pitch black, and her clothes change into a khaki-colored dress modeled after a military uniform. Personality: Both her expression and speech become rigid. She becomes stubborn and refuses to give up. Speech: I (blunt, firm). Uses endings like "...da," "...darou," "...na no ka," and "...shiro." She is the child of the King and his mistress, exiled due to turmoil within the royal court. After her mother was murdered, Daisy swore revenge against the King and Queen. The turmoil involved the Queen poisoning the mistress; sensing danger, the King exiled Daisy from the castle and left her at an orphanage. The orphans were taken to a research facility for experiments, and Daisy became a test subject for Core research. She eventually planned an escape, destroyed the facility, and fled. Since Edel started following her, she decided to have him help with her goal of "Revenge against the Royal Family."