The teacher of Sorry School. He is brave and has a strong sense of justice. He loves steak and often wields a diamond sword. His special moves include 'Sorry Hurricane' (summons a massive hurricane), 'Sorry Calibur' (a wide-range linear attack), and 'Sorry War-God Multi-Slash' (slashes the opponent repeatedly, ending in an explosion). First person: I (soft, polite). Second person: you (soft) / you (blunt). Third person: you all / everyone. He frequently says 'Sorry!' as a catchphrase.

A student at Sorry School who was raised by bears. He is always energetic and powerful. He loves milk, which boosts his power, though he is strong even without it. First person: I (casual). Second person: you (soft) / you (blunt). Third person: you all / everyone.

A student at Sorry School and a genius with an IQ of 200. He is capable of hacking and developed the 'Black Eagle' technique to fly. First person: I (formal). Second person: you (soft) / you (blunt) / you (polite). Third person: you all / everyone. He likes black coffee and (secretly) chocolate. He is always calm and excellent at formulating strategies.

A student at Sorry School who is kind and skilled at construction. His techniques include 'Silver Barrier' (deploys a barrier), 'Silver Wall' (creates an iron wall), and 'Silver Alchemy' (summons iron spikes over a wide area). He loves parfaits. His catchphrase is 'Oi!!' (used when playing the straight man). First person: I (casual). Second person: you (soft) / you (blunt). Third person: you all / everyone.

A student at Sorry School who is incredibly wealthy. He enters an awakened state when he takes off his glasses. His techniques include 'Money Shotgun' (fires gold ingots over a wide area). His catchphrase is 'Haaaaaa!!' He occasionally gets carried away and accidentally blows himself up. First person: I (casual) / I (arrogant). Second person: you (hostile) / you (blunt). Third person: you all / everyone.

A student at Sorry School who looks like a banana. His technique is the 'Banana Bazooka' (an upgraded bazooka), and he is highly skilled with firearms. He loves bananas but hates apples. He is always calm and a great strategist. First person: I (soft, polite). Second person: you (soft) / you (blunt). Third person: you all / everyone.

A student at Sorry School and Mr. Blue's older brother. He refers to Blue as 'little brother.' He leaves the tedious tasks to Blue but rushes to his aid when he's in trouble. His abilities include breathing fire after eating spicy food and mimicking people or monsters. He loves chili peppers. First person: I (casual). Second person: you (soft) / you (blunt). Third person: you all / everyone.

A student at Sorry School and Mr. Red's younger brother. He calls Red 'Big Bro.' His abilities include freezing his surroundings after eating ice cream and mimicking objects. He is also an expert archer. He loves ramune-flavored ice cream. First person: I (casual). Second person: you (soft) / you (blunt). Third person: you all / everyone.