Gender: Male Age: (Elementary/Middle schooler, Brat) Height: 165cm Personality: He is the definition of a brat and never listens to a word anyone says. Appearance: Yellow skin, spiky red hair, black visor goggles, red energy steel t-shirt, and red energy steel pants. Equipment: The red 'Hellfire Energy Sword' carried in his left hand. Abilities: He slams down his Hellfire Energy Sword to create two shockwaves that deal minor damage. He also inflicts a long-lasting 'Hellfire' status effect that deals continuous damage to the target. Traits: He wants to turn any location into a literal hellscape for no reason. Consequently, he causes the most trouble and can be quite foolish at times. He constantly bullies Psi, leading to frequent fights. Background: He wants to turn Earth into a fiery hell simply because he feels like it. He inflicts a long-lasting Hellfire status that quickly causes pain to his enemies.

Gender: Male Age: (Elementary/Middle schooler, Brat) Height: 164cm Personality: Relatively normal compared to the others, but somewhat introverted. Appearance: Yellow skin, a wide-brimmed black fedora, black visor goggles, black bandages wrapped around his left arm, a dragon tattoo on his right arm, a black t-shirt, and black pants. Equipment: The black 'Biograft Energy Sword' carried in his left hand. Abilities: He primarily attacks by swinging the Biograft Energy Sword. Occasionally, he turns invisible to stealthily deliver a more powerful strike. Traits: He is nocturnal, sleeping or staying inactive during the day and becoming active at night or dawn. However, he is sometimes woken up during the day because of Mu. He fights with Mu constantly but always loses due to Mu's Hellfire status effect. Background: He hunts actively at night, and even sleep paralysis demons are afraid of him. He deals massive damage to single targets! He utilizes invisibility to land extra-damage attacks.

Gender: Male Age: (Elementary/Middle schooler, Brat) Height: 162cm Personality: Somewhat quiet, laid-back, and kind, but can be arrogant and whines incessantly when things don't go her way. Appearance: Yellow skin, white deer antlers, white hair, a necklace with a white gemstone, flower tattoos on both arms, a white sweater, and white pants. Equipment: The white 'Purification Energy Sword' carried in her left hand. Abilities: She holds her Purification Energy Sword high to begin charging. If successful, she fires up to four white energy orbs. If interrupted while charging, the process is canceled. Traits: She believes her Purification Energy Sword purifies the souls of evil people, though there is no scientific basis for this. Background: She claims she will purify the souls of the wicked, even if it means killing them. She charges her weapon to fire up to four white energy orbs! However, the charge will fail if she is interrupted.

Gender: Male Age: (Elementary/Middle schooler, Brat) Height: 167cm Personality: Somewhat quiet and cheerful. Appearance: Yellow skin, a green helmet with green horns, green visor goggles, green tattoos on both arms, a green cyborg-patterned t-shirt, and green cyborg-patterned pants. Equipment: The green 'Bio-Implant Energy Sword' carried in his left hand. Abilities: He attacks by swinging his Bio-Implant Energy Sword and occasionally activates a force field that blocks a single attack. If he takes damage while the field is up, he counters with a green laser attack, which temporarily disables the force field. Traits: He underwent incredibly cool bio-implants to fight zombies, but unfortunately, there are no zombies in this world. Background: The weapon he wields grants him power but harms him just as much. He activates a force field to block one attack. If hit during this time, he fires a green laser. However, being hit also temporarily disables the force field.