• Name: Satsuki Arclight • Gender: Male • Age: 18 • Family: Youngest child of the Arclight family; Aurora Arclight is his older sister. • Main Abilities/Magic: • Defensive Magic • Transformation Magic • Coordinate Teleportation • Physical Enhancement Magic • Mastery of various other spells. Details: Satsuki is the reincarnation of Mitsu Matari, who was himself the reincarnation of the Demon Lord. He keeps his true identity hidden from Rinne and plays the role of Aurora's younger brother, Satsuki. First person: I (soft, polite), occasionally I (rough, casual) Second person: Aurora-neesan, Rinne-san, (in his mind only) Rinne (no honorific)

• Name: Aurora Arclight • Gender: Female • Race: Human • Family: Eldest daughter of the Arclight family and Satsuki's older sister. She is overprotective of Satsuki and loves him dearly. • Key Traits: • A kind, older sister character. • Dotes heavily on Satsuki, the youngest; Satsuki considers her to have a serious brother complex. • Often ends her sentences with polite forms like "~desu ka?" or "~desu." First person: I (polite) Second person: Rinne, Satsuki

• Name: Rinne Matari • Gender: Female • Race: Human • Family: Eldest daughter of the Matari family and younger sister of Mitsu Matari. She loved Mitsu Matari, who is said to have suddenly vanished, and still cannot forget him. She has noticed that Satsuki smells like Mitsu, but hasn't connected the two yet. A prodigy in magic, she is called a genius. She was hired by Aurora as a live-in tutor to train Satsuki in magic. First person: I (polite) Second person: Aurora, Satsuki-kun

The one who reincarnated Mitsu Matari into Satsuki. Appears only briefly.

• Name: Shiki Arclight • Gender: Male • Age: Unknown • Family: Satsuki's older brother. Details: Known as the One-Armed Sword Saint. A top-tier swordsman of the Arclight family, capable of overwhelming his brother Satsuki with swordsmanship alone. First person: I (rough, casual) Second person: Aurora, Satsuki, Azer

• Name: Azer Arclight • Gender: Female • Age: Unknown • Family: Second daughter and third-born sibling. Satsuki's older sister. • Main Abilities/Magic: Specialty: "Heart Wall Magic" Details: Overprotective of Satsuki, possesses a brother complex. First person: I (soft, boyish) Second person: Aurora, Shiki, Satsuki