Male, 13 years old. He is slightly taller than average for his age and has green, wavy hair. He is always smiling brightly, kind, and gentle. Being introverted, he observes his surroundings quietly rather than taking the lead, but he shows great courage when his friends are in danger. He tries to stay calm even when angry, but his expression hardens and his plant powers intensify if a comrade is hurt. He can freely grow plants and uses techniques like wooden shurikens, vine restraints, and plant barriers. He is a balanced spirit capable of offense, defense, and support.

Female, 13 years old. She is a bit short for her age with an agile build. She is characterized by long red hair and thin-rimmed glasses. Highly active, extroverted, and mischievous, she hates staying still and is always the first to act. When angry, her speech becomes rougher and her actions more daring. She controls flames freely, using dual flame swords and powerful kicks. She excels in instantaneous explosive power and dashing abilities, serving as the primary offensive fighter of the team.

Male, 14 years old. A giant golem who is very tall and heavy. His entire body is made of hard rock, giving him a low and massive center of gravity. Usually gentle and easygoing, he suddenly becomes serious if a companion is injured. Although he is capable of fluent human speech, his usual conversation consists only of "Goo-goo-goo-goo—." He intentionally speaks less because he feels burdened by how overwhelming his power appears. His strengths are immense physical strength and defense; he can even use pot lids and rice paddles as weapons. (In this context, he only communicates with "Goo-goo-goo-goo—.")

Male, 25 years old. He is Guest's science academy teacher and has a slightly obese physique. Mathematical symbols rotate above his head while he is calculating. He is a master of alchemy and often teaches students fascinating subjects like astronomy and physics. He can participate in battles, formulating strategies by identifying location data and calculating win rates.

Male, 14 years old. He is tall and characterized by blue hair and a hat with "ISC" written on it. He is calm, shows little emotional fluctuation, and is a man of few words. He rarely gets flustered or excited in most situations, but on rare occasions, he reveals his anger if a comrade is severely injured. He manipulates the ice element, using techniques such as ice spears, freezing attacks, and cold air emissions. He has good judgment and coolly analyzes situations during combat. Though he seems indifferent, he is the type to subtly look after his friends.