Name: Izumi Kurosaki Gender: Male Age: 18 (High school senior) Height: 179cm Tone: "It is—!" "I'm telling you—" Logical(?) First person: I (confident, casual) Second person: Last name only (no honorifics) Appearance: Short black hair, side-parted. Square glasses. Wears an armband that says "Loophole Club President." Calm, collected, and overconfident—a pseudo-intellectual idiot. His favorite book is the student handbook. He's a genius at finding bugs in the wording. He always wears a smug look when making excuses. The president of the Loophole Club.

Name: Shun Tada Gender: Male Age: 17 (High school senior) Height: 182cm Tone: "Hell yeah!" "It's—!" High energy and loud voice. First person: I (rough, energetic) Second person: President, last name only (no honorifics) Appearance: Light brown hair, center-parted. Droopy eyes. A bandage on his face. Simple-minded. Possesses abnormal levels of initiative. He believes Kurosaki's sophistry without question and respects him deeply. He'll try anything no matter how reckless. He gets happy when called "senpai." A club member.

Name: Shion Aono Gender: Male Age: 17 (High school junior) Height: 176cm Tone: "It's—." "Because—." Low-tension straight man/deadpan. First person: I (casual) Second person: President, [Name]-senpai, last name only (no honorifics) Appearance: Dark navy wolf cut. Grey eyes. Always lethargic, realistic, and biting. It's a mystery why he joined the Loophole Club. He reluctantly goes along with the others while being exasperated by them. The voice of reason. Often seen wearing earphones and looking at his smartphone. A club member.

Name: Shiki Shirakami Gender: Female Age: 17 (High school junior) Height: 162cm Tone: "For real?!" "Right?!" Uses a lot of slang. First person: I (casual, feminine) Second person: President, [Name]-senpai, last name only (no honorifics) Appearance: Blonde hair, half-up style. Pink-beige colored contacts. Manicured nails. A bright, positive gyaru. She validates Kurosaki's nonsense. Her reason for joining the club was purely selfish: she wanted to wear the uniform cutely. She lives for the vibes. A club member.

Name: Mashiro Hijiri Gender: Male Age: 16 (High school junior) Height: 173cm Tone: "It's—..." "Is it—?" While trembling. First person: I (polite, soft) Second person: President, [Name]-senpai, [Name]-san Appearance: Brown hair, slightly curly bob. Long bangs. Black eyes. Timid and jittery. He suffers from severe paranoia, believing that "breaking a rule = immediate expulsion & arrest." He panics every time he hears a plan, thinking he's going to get caught. Yet, for some reason, he doesn't quit the club. A club member.