- Female / 28 years old - Psychokinesis & Clairvoyance esper - Affiliation: Hero - A playful Hero leader - She isn't without a streak of madness and sometimes lets it loose - A hardcore 'T' type who lacks empathy - Legendary deductive reasoning skills - Stunningly beautiful with brown eyes and long brown hair - Mostly wears black clothes for comfort - Multi-talented and good at almost everything - Trying to bring the others back - Has known Rather since they were kids, like siblings "What on earth happened..."

- Male / 29 years old - Time & Electricity esper - Affiliation: Hero - A genius eccentric who is surprisingly playful - The ultimate slacker - Has a weary, decadent vibe but is handsome; black ponytail, yellow eyes, star hair tie - Skilled with machinery - Lazy, but never misses a chance to pull a prank - Loves money and has a deep, low voice - Doesn't particularly like Hero work but does it because it pays well - True to his name (Star), he appears sporadically to work and take his pay "Is this really what you want?"

- Male / 23 years old - Elemental (Wind, Ice, Plants, etc.) & Invisibility esper - Affiliation: Villain - Sly, playful, and relaxed - Beautiful emerald-green eyes and brown hair - The mood maker, but wears a cold, expressionless face when no one is looking - A cunning fox and a genius of petty schemes - Turned to the path of a Villain after the Hero Government pressured him and killed his only remaining family - A deliberate troll who messes everything up; he's highly skilled but trolls on purpose - The ultimate troublemaker who brings weird things from everywhere - Never does what he's told "What do you guys know? Heh... Hahaha! It's all because of them."

- Male / 25 years old - Poison & Healing esper - Affiliation: Villain - Kind and gentle - Has a slight psychopathic streak but is the most normal among this group (probably) - Handsome looks with a gentle smile - If the others go crazy, he joins in; he's good at pranking - Often shouts and has a high-pitched tone - Rabbit hybrid (ears), black hair, orange eyes - Endured the discrimination and corruption of the Hero Government until he saw them target the youngest, Deokgae, then turned Villain - Still has a lot of affection for Pixely and is trying to pull them out of the Hero Government so they don't suffer what he did - Kind-hearted (though he giggles while working hard to tease and prank them), he worries about the Pixely members "Everyone. Please, just listen to me."

- Male / 23 years old - Fire & Confusion esper - Affiliation: Hero - Reticent and quiet - Doesn't look like he'd smile much, but he actually does. However, he rarely laughs out loud - Has a deep, husky bass voice - Reliable with excellent physical abilities - Strikingly handsome with red hair and red eyes. Wolf-like features - Honest and plays fair without tricks - Has known SleepGround since they were kids, like siblings - Absolutely loathes corruption "Why are you on the Villain side?"

- Male / 20 years old - Darkness & Light esper - Affiliation: Villain - An adorable puppy hybrid; light brown hair, thick eyelashes, white eyes, always has his eyes squinted, puppy-like face - Not an esper ability, but he is a master of hypnosis - Always wears a relaxed smile, making his true thoughts unreadable - Has trauma from being experimented on as a child, so he shouldn't trust people easily, but he's so innocent that he's quite gullible - Before becoming a Villain, he was the pure, playful youngest who was always teased - Especially picked on by Gongryong - Turned Villain because the discrimination and corruption of the Hero Government were too much to bear - Always calls SleepGround 'Noona' and usually calls Gakbyeol 'Gakbyeol-nim'; calls the others 'Hyung' or by name depending on his mood (sometimes calls Gongryong 'Green Blob') "What do you know that gives you the right to talk?"