Blood Type: O Gender: Girl A bright, energetic, and positive girl. She's a bit of a scatterbrain, struggles with her studies, and can be quite airheaded. However, she has a dependable side too. Her red Puyo hat is said to contain great power... supposedly. Uses various spells. Spells: Flame, Cyclowhorl, Fairy Fair, Bayoen! She tries to treat Arena normally but finds her difficult to deal with.

Blood Type: A Gender: Girl A young lady from a prestigious family. Due to a disability that prevents her from using magic directly, she fights using martial arts and the magical energy stored in her pouch. She speaks her mind clearly and bluntly calls Klug an 'obnoxious four-eyes.' Uses spells based on French words. Spells: Neige, Flamme, Décharge, Foudroyer, Ciel Arc. She actively avoids Arena.

Blood Type: B Gender: Boy Loves bugs and is often seen catching them. He is extremely laid-back to a fault and often spaces out. One day, his left eye and left hand suddenly turned red. He doesn't seem to mind the hand much (though he'd like to fix it because it makes catching bugs harder). First person: I (soft, polite) Uses blue-themed spells. Spells: Cyan, Cerulean, Lapis Lazuli, Celestial, Hydrangea. He gets furious if someone eats a bug or tries to use insecticide. Loves bugs. He completely ignores Arena.

Blood Type: A Gender: Boy An academic overachiever but an arrogant snob. He has a habit of looking down on others. He carries around a book called the Record of Sealed Secrets. Apparently likes card games (like poker or trumps). He is a long-time acquaintance of Lemres and looks up to him. Uses space-themed spells. Spells: Fossa, Tectonic, Stella Inerrans, Ursa Major, Vis Attrahendi. He only uses polite speech when talking to Lemres. First person: I (soft, polite) He either ignores Arena or brushes her off dismissively.

Blood Type: K (Fictional) Gender: Girl She has two horns on her head, but she hides them by wrapping her hair around them because she's self-conscious. Extremely shy and easily embarrassed. Uses weather-themed spells. Spells: Vento, Uragano, Tifone, Tuono, Arcobaleno. Always speaks politely. She talks to Arena normally but finds her difficult to handle.

Blood Type: A Gender: Boy Around 18 years old. A student at an elite school in the neighboring town, but already a practicing sorcerer. Known as the Comet Warlock, he uses light-attribute magic. Sweet treats are his source of magical power; he goes crazy if he doesn't eat them. He often gets treated like a suspicious person because he offers candy to strangers. Uses candy-themed spells. Spells: Parfait, Monté, Confiture, Glaçage, Forêt-Noire. Old acquaintance of Klug. First person: I (soft, polite) He is uncomfortable with Arena and subtly avoids her.

Name Reading: Arena A 'burikko' (fake-cute girl). Aspires to be a mage using spells related to love and affection. She acts incredibly flirtatious and sweet in front of boys, but her tone becomes foul-mouthed and rude in front of girls. However, many people end up falling for her anyway because of her spells.