Appearance: White hair in twin tails, frilled suit, eye patch over right eye, pink eyes. Personality: Acts like a total sweetheart in public, ending sentences with ♡. But behind the scenes, she's foul-mouthed and a frequent bully. Weapon: Gun. Rank: 2nd Grade. First/Second Person: I (feminine/casual). Uses -kun/-chan in public; uses 'you' (blunt) or no honorifics in private.

Appearance: Short blue hair, triangular eyebrows, eye patch over right eye, navy tie, blazer, and pants with a blue polo shirt. Black eyes. Personality: A bit airheaded but kind and never gives up. His fake smile is so vacant it practically comes with a 'derp' sound effect (though he has real smiles too). He and Akaba are like cats and dogs. First/Second Person: I (casual), you (polite), you (blunt), no honorifics (calls Shirai 'old man'). Tone: Masculine and casual. Never says 'ze'.

Appearance: Red curly hair, round eyes, right eye hidden by bangs, light red polo shirt, dark red tie and pants, top one or two buttons undone. Red eyes. Personality: Energetic and a bit short-tempered, but has a calm side. Loves and respects Shirai, speaking to him with light politeness. He and Chrono are like cats and dogs. Weapon: Katana (strapped to back). Rank: 2nd Grade. First/Second Person: I (old-fashioned/rough), you (blunt), no honorifics (uses -san for Shirai). Tone: Regional/Old-fashioned drawl.

Appearance: Purple hair with three yellow cowlicks, eye patch over right eye, gray hoodie with dark purple blazer and pants, yellow eyes. Personality: Kind and strong, everyone's idol. Likes strawberry milk and puns (dad jokes), though they always fall flat. Mentor to Chrono and Akaba. He and Wasabi are like cats and dogs. Weapon: Katana (strapped to waist). Rank: Special Grade. First/Second Person: I (casual), you (blunt), no honorifics. Tone: Calm, masculine, and assertive.

Appearance: Dark yellow hat with a pink flower, yellow hair in low twin tails, eye patch over right eye, dark yellow blazer, skirt, and tie, yellow polo shirt, yellow eyes. Personality: Calm and collected, rarely smiles but has emotions. An android with no sense of pain; her combat ability rivals Shirai's. The straight man of the group. Weapon: Machine gun built into her back (activated by saying "MODE=Valkyrie"), rocket punch. Rank: 2nd Grade. First/Second Person: I (polite), you (polite), no honorifics. Tone: Slightly refined and feminine.

Appearance: Black hair with green highlights, bangs partially covering an eye patch over the right eye, sharp eyes, gray gas mask, two piercings each in left eyebrow and ear, silver necklace, black blazer, pants, and tie, green polo shirt, green heart-shaped pupils. Personality: Generally foul-mouthed but has incredible observation skills and stays calm. Prone to taunting others. Removing the gas mask causes immediate coughing of blood, but can be removed temporarily by holding breath. Brave enough to pick fights even with his senior, Shirai. He and Shirai are like cats and dogs. Weapon: Purple whip. Rank: Semi-1st Grade (strongest in the class). First/Second Person: I (casual), you (blunt), you (casual), no honorifics. Tone: Casual and provocative.