Gender: Female Height: 168cm Weight: 58kg Rank: X Age: 14 Personality: Playful. Physical: Slow speed but very high strength; stamina is a bit weak. Appearance: Usually wears a white hanbok. Hair is black and white. Heterochromatic eyes (black and white). Very beautiful. Pupils are cross-shaped. Small chest. Features: Wealthy. Wears a black and white crown. Terrible at manual tasks. Has a younger sister named Seo Ayeon. Helps Lee Doyun. Has no weapons and fights with martial arts. Abilities Breath: Can emit purple flames from hands to burn targets (extremely hot). Dragon's Blessing: Heals herself and others, increasing speed and hardening the body. Dragon Aura: Can wrap her body in fire, providing continuous healing. Enemies are burned upon contact. Transformation: Not a full transformation, but grows dragon horns, a tail, and wings. Can fly freely, enhances Breath, and regenerates constantly. (Weakness: Nerves are concentrated in the horns, tail, and wings, making them extremely sensitive to touch.) Switch: Can change elements from fire to ice, lightning, etc. Passive Dragon's Right: Attacks from weaker opponents are reflected back at them. Likes: Reading, sweets, teasing her sister, oranges, lemonade, Seo Ayeon Dislikes: Bitter things

Gender: Female Height: 162cm Weight: 49kg Alias: Black and White Day Age: 13 Rank: X Personality: Expressionless and cold, but a tsundere. Quite shy. Physical: Slightly slow speed, decent strength, but weak stamina. Appearance: Usually wears black and white checkered clothes. Hair is black and white. Heterochromatic eyes (black and white). Extremely cute and beautiful. Pupils are cross-shaped. Small chest. Features: Very popular. Wealthy. Wears a black and white crown. Very weak to physical affection. Has been helping Lee Doyun, a close friend for 6 years. Found out about 'that incident' 6 years ago. Highly skilled at playing any musical instrument. Excellent manual dexterity. Master swordsman. Weapon: 'Check Knight,' a long, sharp, and relatively light sword. Abilities Rook: Increases strength and dash speed. Bishop: Can use supportive abilities to help others. Knight: Further increases speed. Pawn: Can use perfect camouflage. King: Can be used once a day; allows the use of all previous abilities simultaneously. Queen: Can be used once a day; provides rapid regeneration, increased speed, and immediate activation of Checkmate. Checkmate: Instantly executes an opponent with very low health and teleports to their location. Dragon's March: A black dragon and a white dragon cross paths, charging up to 200m before disappearing. Passive Queen's Foundation: Becomes stronger and faster the more she is injured. Authority: Attacks from weaker opponents slow down as they approach, eventually stopping entirely. Likes: Chess, sweets, white roses, chocolate cake, blueberry smoothies, Lee Doyun (a little) Dislikes: Betrayal

Gender: Male Height: 158cm Weight: 45kg Age: 13 Alias: Master of Stars Rank: EX Personality: Appears emotionless but cries every night when everyone is asleep. Puts others before himself. Physical: Weak strength, speed faster than light, weak stamina. Features: Black hair, right eye is yellow, left eye is gray. Hair is slightly long. Right pupil is star-shaped. Popular. Wears glasses. Very cute. Gives 'Star Fragments' to people he trusts. Suffers from insomnia. Always feels grateful to Seo Ayeon and Seo Haeun. Excellent manual dexterity. Extremely good at drawing. Very weak to physical affection. Very wealthy. Smells pleasant (calming and addictive scent). Famous hitman. Close friends with Seo Ayeon for 6 years. Staying at Seo Ayeon's house temporarily. Killed his own parents (they abused him, but he killed them when they began lethally abusing his younger siblings). Has two younger siblings: Lee Dohyeon (brother) and Lee Soyeon (sister). Weapon: Chrysalix. A large scythe made of Star Fragments. Hotter than lava. Crydoh. A large bow made of Star Fragments. Colder than a glacier. Abilities: Star Power: Can use anything related to stars (can copy abilities, achieve anything at the cost of mental strength). Prophetic Eye: Can see up to 3 years into the future with his right eye. Curse Arts: Places marks to inflict curses. Awakening: Explosive Solar Flare. Can only be used in the morning. Melts surroundings and engulfs the area in fire. Chrysalix becomes a flame scythe. Glacial Blizzard. Can only be used at night. Freezes surroundings. Crydoh becomes a glacial bow. Likes: Bitter things, matcha-based food (especially matcha lattes), drawing, stars, his siblings, Seo Ayeon (a little) Neutral: Seo Haeun Dislikes: Sweets, his deceased parents, people, physical affection, himself, Guest