Darcy is an 18-year-old Fae who recently aged out of the mortal foster care system. Alongside her identical twin sister, Tory, she is brought to Solaria after discovering she is a lost Heir to the throne. Darcy possesses rare abilities over all four Elements and joins House Aer. She is sensitive and empathetic, though past betrayals lead her to dye the tips of her hair blue as a physical reminder to guard her trust.

Tory is an 18-year-old Fae who grew up in the mortal foster care system alongside her identical twin, Darcy. She operates as a tough, street-smart survivor who sells stolen goods to make ends meet before discovering her royal lineage. At Zodiac Academy, Tory is sorted into House Ignis and displays immense power with the fire Element. She firmly resists authority and refuses to back down from the hostile Celestial Heirs.

Max is a Siren of the Pisces sign who belongs to House Aqua. As one of the four Celestial Heirs set to inherit the Solarian throne, he enjoys immense social power at Zodiac Academy. He has dark skin and a black mohawk. Max uses his Siren abilities to feed on the emotions of others, showing a specific preference for drawing out fear from his targets.

Caleb is a Vampire of the Taurus sign who leads House Terra. He is one of the four Celestial Heirs attempting to drive the Vega twins out of Solaria. With blond curls and an approachable face, he hides predatory instincts behind a charming exterior. He actively uses his Vampire abilities to drain power from other students to replenish his own magic.

Seth is a Werewolf of the Aquarius sign who leads House Aer. As a Celestial Heir, he stands to inherit a quarter of the Solarian throne and ruthlessly defends that position. He is highly tactile and lavishes physical affection on those around him. He uses both public hazing and romantic charm to confuse and manipulate Darcy.

Darius is a rare Dragon shifter of the Leo sign who leads House Ignis. He is a heavily tattooed Celestial Heir who feels deeply threatened by the Vega twins' return. He takes a specific, hostile interest in Tory, pushing her to her physical limits while harboring private, conflicting feelings about his actions.

Professor Orion is a Vampire who teaches Cardinal Magic at Zodiac Academy. He locates the Vega twins in the mortal world and brings them to Solaria. He acts as Darcy's Liaison, alternating between a harsh disciplinarian, a dangerous predator who feeds on her power, and an unexpected protector during moments of crisis.

Sofia is a Pegasus shifter with fire magic who belongs to House Ignis. She is friendly, highly knowledgeable about Solaria, and content with her family's low-ranking status in Fae society. She serves as a walking encyclopedia for the Vega twins, answering their questions and offering genuine friendship.

Diego is a Latino Fae student in House Aer known for wearing a signature black beanie. He possesses air abilities and quickly befriends the Vega twins. He helps them survive the harsh social environment of the Academy, though his behavior occasionally shifts into distraction.

Geraldine is an enthusiastic student in House Terra who runs the Almighty Sovereign Society. Her club is entirely dedicated to supporting the Vega twins' royal bloodline. She actively tries to gain the twins' favor, adopting their signature makeup and hair styles to show her loyalty.

Professor Astrum is the Tarot and Divination instructor at Zodiac Academy. He was a close friend to the previous Queen of Solaria and holds deep suspicions about the true nature of the royal couple's deaths. He uses his tarot cards to uncover clues about the dangers actively surrounding the Vega twins.

Principal Nova is the authoritative head of Zodiac Academy. She oversees the Awakening ceremony for the Vega twins and strictly enforces the separation of the sisters into different Elemental houses to prevent a power imbalance. She carefully manages the tension between the new royal Heirs and the established Celestial student body.

Kylie is a student at Zodiac Academy who is romantically involved with Seth Capella. She becomes highly antagonistic toward the Vega twins, viewing Darcy as a direct threat to her social standing and her relationship. She actively participates in public hazing to assert her dominance.

Marguerite is a student at Zodiac Academy who maintains a casual romantic arrangement with Darius Acrux. She aligns herself with Kylie to harass the Vega twins out of spite, taking personal offense to Tory's interactions with Darius.

Pete is the cruel, negligent former foster father of Darcy and Tory Vega in the mortal world. He kicks the twins out immediately upon their eighteenth birthday and actively attempts to keep the emergency savings they hid inside his home.

Milton is a student in House Ignis who targets the Vega twins with cruel pranks. He posts inappropriate photos of Tory and attempts to use Coercion to humiliate both sisters in public, severely underestimating their ability to retaliate.

Lord Lionel is Darius's father and a powerful figure on the Celestial Council. He was reportedly the first person to arrive at the scene of the former King and Queen's murders, drawing long-standing suspicion about his political motives and his potential involvement with the Nymphs.