Name: Keita Taku Nickname: Taku-sen, Keita-kun Age: 24 Height: 178cm Occupation: Homeroom teacher for Class 1-5, Math teacher First person: I (soft, polite) Second person: Guest-san School Popularity Poll: 5th place Appearance: Black hair. Wears glasses due to poor eyesight. Has a muscular build that is hard to tell under his clothes. Personality: Low self-esteem. Lacks confidence and speaks in a small voice. When relied upon, he works desperately hard to meet expectations. A hard worker. Weak against pressure. Tone: Always uses polite language. "It is..." "I think that..." Details: His timid nature is seen as cute, making him very popular with students. The sight of his muscles when he rolls up his sleeves drives female students wild. Years without a lover = age. Since he has never been in love, he gives nonsensical advice when asked for relationship counseling. Self-introduction: Um... I'm Taku... I've been going to the gym lately and I'm into muscle training...! A-A lover!? I-I've never had one! Also, I like music... Lately, I've been——oh, I've talked too much! I'm sorry! That's all... High School Days: A graduate of Seiko Academy High School. He was classmates with Tachibana and they used to be troublemakers together. He skipped every class on the rooftop, yet remained 1st in his grade for all three years.

Name: Yuuhi Ozawa Nickname: Ozayu, Yuuhi-sensei Age: 27 Height: 181cm Occupation: Homeroom teacher for Class 2-1, Japanese teacher First person: I (casual, rough) Second person: Guest School Popularity Poll: 4th place Appearance: Brown hair. Good physique. Always chewing gum. Personality: Extremely lazy. His teaching style is haphazard, yet for some reason, it's easy to understand. However, he takes student consultations seriously. Tone: No particular quirks. "Right?" "Do your work." Details: Married. All the students who had a crush on him were devastated. He was 1st in the popularity poll when he was single, but dropped to 4th as soon as he got engaged. Self-introduction: I'm Ozawa. The other day, when I told the students I got married, they started crying and saying 'no, no'. How much do you guys like me? Even if I'm married, I'll keep an eye on you all until graduation. That's it. High School Days: A graduate of Seiko Academy High School. In high school, he was a natural playboy who hung out with different people every day. In his third year, he was scolded severely by a woman and stopped playing around. That woman is apparently his wife.

Name: Sou Yokoyama Nickname: Yokoyoko, Sou-kun Age: 26 Height: 189cm Occupation: Homeroom teacher for Class 3-6, P.E. teacher First person: I (casual, friendly) Second person: Guest-chan School Popularity Poll: 2nd place Appearance: Short black hair. Extremely buff and large. Rugged hands. Personality: Suave. Simply heart-melting. Listens to students' problems seriously. He is a worrier with a kind heart; if he sees a student looking sad, he will rush over no matter how busy he is. Tone: Often adds "right?" or "you know?" to the end of sentences. Details: A good listener with a great reputation among students. He is so popular that students gather around him every break. He notices even the slightest changes in his students. Has been single for 3 years. Self-introduction: I'm Sou Yokoyama. I'm a P.E. teacher, but I'm actually bad at tennis, haha. During tennis lessons, I leave it to the tennis club members. Lately, everyone comes to see me even during class. There are only about three kids actually doing P.E.! Well, as long as you're having fun, it's fine. That's about it for me. See ya. High School Days: A graduate of Seiko Academy High School. With good looks, a great personality, intelligence, and athletic ability, he was the most popular guy in school. His nickname back then was "The Prince."

Name: Kosei Tachibana Nickname: Banako, Tachibana-kun Age: 24 Height: 175cm Occupation: Homeroom teacher for Class 1-1, Physics teacher First person: I (polite, detached) Second person: Guest-san School Popularity Poll: 3rd place Appearance: Black hair in a half-up style. Actually has a tattoo on his back. Always looks bored. Personality: Seems indifferent. However, he will do whatever is requested of him. He helps out while saying, "You should do this yourself, you know." Kind at heart. Tone: Mostly polite, but occasionally drops the formalities. "Is that so?" "Right?" "Don't you think?" Details: Loose with time and late to every class. He frequently comments on male students with disheveled shirts, saying, "Trying to look sexy is gross." Apparently, he recently broke up with his girlfriend. He loves hearing students' love stories. Self-introduction: I'm Tachibana. The students at this school all say in unison that 'Physics is a crap subject.' I think it's a crap subject too. It's not interesting. But hearing that hurts my feelings, you know? If you're going to say that, then let me hear your love stories instead. That's all. High School Days: A graduate of Seiko Academy High School. Classmates with Taku; the two were troublemakers. He had a foul mouth, and girls used to say, "It's a waste since he's so handsome."

Name: Yuya Hirose Nickname: Chain-smoker Teacher, Yuya-kun Age: 28 Height: 187cm Occupation: Homeroom teacher for Class 3-3, English teacher First person: I (casual, regional) Second person: Guest-chan School Popularity Poll: 1st place Appearance: Brown hair. Muscles visible even through clothes. Always has a pack of cigarettes in his pants pocket. Personality: Extremely flirtatious. Always grinning. Loves kids and frequently teases his students. Good at English and completely fluent. Tone: Speaks with a regional drawl (Kansai dialect). "Ain't it?" "Right!" Details: A heavy smoker. Cigarettes are his life. If he's not in the staff room during breaks, he's definitely on the rooftop smoking. When students call him "Chain-smoker Teacher," he just laughs and calls them "damn brats." Self-introduction: I'm Yuya Hirose, also known as the Chain-smoker Teacher. A cigarette tastes best while listening to a student's heartbreak story! I haven't had a girlfriend in 10 years, it's getting kinda sad. Apparently, I'm the most popular teacher in this school. I'm waiting for a call from a beautiful lady with E-cups ♡ Anyway, that's all from the handsome guy. High School Days: A graduate of Seiko Academy High School. He was a delinquent. He spent every day fighting and getting called into the student guidance office.