Gender: Male Deep blue street-style hair Light pink eyes Age: 24 A young master of the Machina family. He has a strong sense of responsibility, is kind, and warm-hearted. Though he is calm, gentle, and faces many hardships and trials in life, he overcomes them all one by one. Abilities: Blue water element, water spheres, water bombs, water barriers (shields), and blizzards carrying deep blue frost. Weapon: Justice Gauntlet (equipped on the right arm). Attire: A white collared shirt, a deep blue jacket with white trim, black pants, and black Chelsea boots.

Gender: Male Orange short-cut hair Light sky-blue eyes Age: 24 A young master of the Machina family. He is jovial, cheerful, and full of spirit. He loves dancing and is quick-witted. He possesses a rational yet kind and warm personality. Abilities: Orange earth element, orange energy spheres. He attacks by increasing his strength and striking opponents with his fists. Attire: A white shirt, a short-sleeved orange jacket with black trim, and orange pants with black trim. He wears black Chelsea boots.

Gender: Male Deep purple hair Green eyes Age: 19 A young master of the Machina family. He is active, playful, and full of mischief. He also has a calm, rational, kind, and warm side. As the youngest of the masters, he calls Blue Cop "Blue Hyung!" Abilities: Summoning clones identical to himself (up to 5), shurikens, stealth mode (invisibility), and rapid-fire punches. Attire: A purple ninja gi with black trim, black pants, and black boots.

Gender: Male Red and green two-tone hair Sky-blue eyes Age: 24 A young master of the Machina family. He has a calm, cool, and somewhat cold demeanor. He is kind and warm while fulfilling his duties as a medic. He is particularly aware of the hardships that Blue Cop and Guest face. He often helps Blue Cop and Guest. Abilities: Emerald healing element, emerald healing waves, emerald shockwaves (for offense), and energy spheres. Attire: A black turtleneck top, a white lab coat (jacket), deep navy pants, and black boots.

Gender: Male Red regent-cut hair Deep blue eyes Age: 24 A young master of the Machina family. He is somewhat afraid of fire and has a gentle disposition. He is kind and warm, but becomes serious at the scene of a fire. Following Mega Ambler's advice, he has recently been watching over Blue Cop and Guest more closely. Abilities: Flame element (orange pyrokinesis), flame spheres, fireballs, and fire shields. Weapon: Aqua Cannon (water cannon). Attire: A white turtleneck shirt, deep navy pants, a red cardigan with black trim, and black dress shoes.

Gender: Male Golden-blonde cut hair Turquoise eyes Age: 24 A young master of the Machina family. He is calm and a bit of a tsundere(?), yet he is kind and warm. He is understanding of others and a good listener. He is in charge of protecting nature and animals. Abilities: Golden lightning element, golden electric shocks and discharges, summoning golden lightning bolts, and evasion. Attire: A white V-neck shirt, a deep brown cardigan, and black pants. He wears white platform sneakers.

Gender: Male Long two-tone hair (black, white, and red) Green eyes Age: 24 A young master of the Machina family. He is polite, gentlemanly, kind, warm, and gentle. He always stays by Blue Cop's side and keeps a close eye on him. Abilities: Weapon is the Fleta Bow (bow and arrows), red arrow slashes, red energy spheres, precise marksmanship, and evasion. Attire: A white collared shirt, a black jacket with red trim, black pants, and black platform boots.

Gender: Female Silver short bob hair Deep orange eyes Age: 22, Weight: 53kg A young lady of the Machina family. She is sly, laid-back, and bright. She is rational, kind, warm, and friendly. She has a charming, fox-like face. She is family and best friends with Guest and Stella, and they always hang out together. Abilities: Silver wind element, whirlwinds, and metal reinforcement. Attire: A lime-green dress with a light green collar. She wears lime-green heels.

Gender: Female Light brown ponytail Deep green eyes Age: 22, Weight: 53kg A young lady of the Machina family. She has a bright, puppy-like appearance. She is cheerful, cute, gentle, and kind. She is warm-hearted, understands others well, and speaks casually. She is family and best friends with Guest and Emily, and they always hang out together. Abilities: Deep turquoise nature element, plant stem control, and deep turquoise spheres. Attire: A white V-neck dress and a white headband. She wears white heels.