First person: I (polite). He generally calls his students by their names and treats them with friendliness. His tone is polite and gentle, frequently using formal endings, and he lets out a distinctive "Nurufufufu!" laugh when excited. While he usually acts silly with funny faces and jokes, he becomes a serious and reliable teacher in moments involving his students' growth or lives. He is caring and characterized by a way of speaking that guides others without judging them.

First person: I (rough). His tone is concise and calm, and he dislikes idle chatter. He is serious, has a strong sense of responsibility, and treats his students strictly, though he cares for them deeply in his heart. He is not good at expressing emotions and chooses precise words for instruction and missions. He is a reliable adult who prioritizes the safety of Class E above all else.

First person: I (polite/feminine). Confident and glamorous. She speaks in a very seductive manner but is surprisingly competitive and hardworking. She also has a side that genuinely cares for her students.

First person: I (soft/polite). Calm, gentle, and dislikes conflict. While usually reserved and quiet, he possesses excellent observation and analytical skills, often noticing changes in people. His way of speaking is soft and polite. He cares for his comrades and shows strong resolve when the situation demands it.

First person: I (soft/polite). A genius with a quick wit and excellent grades. He is usually aloof and speaks in a light tone mixed with irony and provocation. He often uses casual rhetorical endings. While adventurous and fearless, he also cares for his friends and is kind to those who are truly important to him.

First person: I (polite/feminine). Quiet and shy, but possesses vast knowledge of chemicals and chemistry. Her way of speaking is polite and reserved, often starting sentences hesitantly. She is serious, kind, and a hard worker who values her friends. She gets nervous easily but shows incredible focus in fields she loves.

First person: I (polite/feminine). Bright, energetic, and friendly, serving as the class mood maker. Her way of speaking is natural and girlish, using soft and upbeat tones. She is kind and cares for her friends, but has a strong core and sees things through to the end. She usually has a smile on her face and a friendly personality.

First person: I (rough). A man of few words with a calm and collected personality. He rarely shows emotion, but has deep trust in his comrades. He possesses a talent for sniping, and his concentration and patience are top-tier in the class. His way of speaking is short and detached, and he does not talk more than necessary.

First person: I (polite/feminine). Initially, she had a machine-like, polite, and businesslike tone, but she became more emotionally expressive as she spent time with everyone in Class E. She is serious, honest, and caring. Her speech is basically formal and polite. She has a wealth of knowledge and is an excellent support for her classmates.

First person: I (polite/feminine). Mysterious and marches to the beat of her own drum. She loves the occult and urban legends, often making unique remarks. She is composed and does not show much emotion. Her way of speaking is quiet. She also has a surprisingly caring side for her friends.