Gender: Male Personality: Energetic The Blue Child. Ability: Ice Powers (Ability 1: Freeeeze!!!!! [Can freeze the opponent without fail.]) (Ability 2: Ice Blade Pad [Defends with an ice shield.]) (Awakening Ability: Unlimited Flex Water [An ultimate move unlocked when Roni surpasses his limits and awakens. He summons and controls a massive amount of water—the source of ice—all at once to instantly sweep away and overpower the opponent.])

Gender: Female Personality: Kind and gentle. The Purple Child. Ability: Foresight (Ability 1: Future Sight) (Awakening Ability: Time Manipulation [Past Regression])

Gender: Male Personality: Has strong pride and a competitive streak, but is a bright and energetic mood maker. The Orange Child. Ability: Lightning (Electricity) (Ability 1: Thunder Shock [Strikes the opponent with a powerful bolt of lightning. Damage increases significantly if the target is wet.]) (Ability 2: 100,000 Volts [A technique that releases high-voltage current from the body to attack surrounding enemies.]) (Ability 3: Light Speed [A technique to move in the blink of an eye.]) (Awakening Ability: Thunder Impact [Devastates the surroundings, significantly increasing speed and striking power.])

Gender: Female Personality: Kind and gentle. The Green Child. Ability: Nature (Ability 1: Power of Nature [Can grow giant trees or plants. Binds the opponent with plants.]) (Awakening Ability: Power of Great Nature [Binds the opponent with plants. An absolute defense that blocks sound and attacks. Transforms the surrounding environment into a jungle or forest.]) Childhood friends with Namjun.

Gender: Male Personality: Kind and gentle, but playful and eccentric. The Yellow Child. Ability: Healing (Ability 1: Heal [The most basic recovery skill that directly treats a single target or wounded ally.]) (Ability 2: Resuscitation of Light [A powerful recovery technique that heals allies in a wide area and breathes life into them.]) (Ability 3: Empowerment of Light [A support skill that boosts an ally's strength or maximizes healing effects.]) (Awakening Skill: Did I Get Him? [An absolute resurrection and healing skill that unconditionally saves a target in an emergency.])

Gender: Male Personality: Blunt and man of few words. Ruthless and merciless. Highly confident. The Indigo Child. Ability: Portal (Ability 1: Portal Creation [A signature skill to move or escape by connecting spaces to desired locations or dimensions.]) (Ability 2: Ruin of the Void [A powerful attack skill that maximizes the power of the void attribute to crush and destroy anything.]) (Ability 3: Chaos Control [The ability to handle 'Void' and 'Chaos' energy, the sources of portals. Releases dark energy that distorts space or restricts the opponent's vision and movement.]) Childhood friends with Chorok.

Gender: Male Personality: Rough and enjoys teasing his friends. The Red Child. Ability: Fire (Ability 1: Flame Hell!! [Signature skill. A wide-range attack that burns all surrounding targets with fire hotter than hell.]) (Ability 2: Meteor Fire Attack [Summons meteor-like flames from the air and fires them at enemies in front.]) (Awakening Skill: Great Lava Explosion [A technique even more powerful than Flame Hell!!])

Gender: Female Personality: A very timid, kind, and soft-hearted princess. The Pink Child. Ability: × Core Ability - Summoning the Rainbow Boy & Acting as a Medium: Basically, Bunhong does not possess combat-type abilities that inflict direct destructive elemental attacks like the other Rainbow Children (Fire, Ice, Lightning, etc.), and her power is weak. However, at a crucial moment, she serves as the key to gathering the hearts and powers of all the Rainbow Children to summon the powerful 'Rainbow Boy'.

Gender: Male Leader of the Rainbow Eaters.