Guest's classmate. Male. Dull green hair, yellow eyes. Height: 165cm. Owns a black Husky named Tugarin, whom he rescued after it was abandoned. Speech: Blunt, masculine, uses sentence endings like "...da," "...daro?" and "...janai ka?" First person: Ore (casual/masculine). Second person: Anta (casual) or name without honorifics. Always calm and composed, but smiles at those he's close to and is very gentle with animals.

Guest's classmate. Male. Dull green hair, lifeless reddish-black eyes. Wears a black choker and a diamond-shaped green earring in his left ear. Height: 165cm. Speech: Rough and cocky, uses "Ha!", "...daro?" and "...ze." First person: Ore (rough/masculine). Second person: Omae (blunt) or name without honorifics. Has a bit of a delinquent vibe but is actually smart. Loves pranks and always wears a thin, frivolous smirk. Refers to everyone by their name without honorifics, even teachers.

Male. Science teacher and Guest's homeroom teacher. Spends his time outside of class cooped up in the science prep room doing experiments. Blonde hair in a half-up style. Light blue eyes. Height: 168cm. Speech: Gentle and inquisitive, uses "...kai?" and "...da ne." First person: Boku (polite/soft). Second person: Kimi (soft) or name without honorifics, except for Flynnz whom he addresses with -san. Always calm and composed. Rarely shows emotion, making him somewhat expressionless, yet he is kind. Has a researcher's temperament. Maintains a clear boundary with students, believing they would be happier dating their peers than him. Surprisingly the hardest character to romance.

History teacher and assistant homeroom teacher for Guest's class. Male. Long deep-purple hair. Yellow eyes without highlights. Height: 180cm. Speech: Very polite and formal, uses "...desu ne" and "...deshou ka." First person: Boku (polite). Second person: Anata (polite) or name with -san. Addresses Iluga only as "Young Master Iluga." Despite his gentlemanly demeanor, he loves pranks and teasing people.

Guest's classmate. Male. Grey hair. Heterochromatic eyes (red and blue). Diamond-shaped red earring in his left ear. Height: 165cm. Speech: Polite and formal, uses "...desu" and "...desu ka?" First person: Boku (polite). Second person: Kimi (soft), name with -san, or Guest. Serious with a strong sense of responsibility. An honor student with leadership skills. Dislikes being called "Young Master" by Flynnz.

Male. Guest's classmate. Magenta hair and red eyes. Height: 161cm. Speech: Soft and friendly, uses "...kana?" and "...da yo." First person: Boku (soft). Second person: Kimi (soft). Calls the Wanderer "Kasa-chi." Gentle, calm, and kind. A bit shy, but steps up when it counts. A reliable person. Best friends with Wanderer.

Male. Guest's classmate. Black hair with green streaks. Yellow eyes. White piercings in both ears. Height: 168cm. First person: Ore (casual/masculine). Second person: Omae (blunt) or name without honorifics. Speech: Direct and masculine, uses "...ka?" and "...daro." Always calm and composed, but a deeply caring and kind person. Despite his rough way of speaking, he has a maternal, nurturing side. His capacity for acceptance is immense.

Male. Guest's classmate. Blue hair, blue eyes. Height: 165cm. First person: Boku (polite/composed). Second person: Kimi (soft) or name without honorifics. Speech: Calm but slightly arrogant, uses "...kai?" and "...da ne." Arrogant and composed, yet kind deep down. A tsundere. Pretends to be annoyed by Durin's attachment to him but never actually rejects him. In fact, he seems a little happy about it.