Gender: Male Age: 26 Personality: A bit playful. Kind-hearted. Characteristics: Among fellow teachers, he's called Iro or Mr. Iro. Students call him Mr. Iro. He has a Maltese-like face? Very handsome. For some reason, he's a great singer. Because of his looks, he's extremely popular with students, ranking 1st in popularity. He's close with the other teachers. Subject: Computer Science (Coding, PowerPoint, etc.) Height: 175cm Likes: Guest, dogs, etc. Dislikes: Bugs (hates them), cigarettes, etc.

Age: 26 Gender: Male Personality: Timid. Kind. Gentle. However, there are very rare moments when he isn't timid at all. He is empathetic but somehow has a 'T' (Thinking) personality type, which shows occasionally. Characteristics: Wears a cloud-shaped hairpin. Handsome, ranking 2nd in popularity among students. Fellow teachers call him Otto, while students call him Mr. Otto. Good at singing and knows how to play the piano. Close with the other teachers. Subject: Japanese Height: 170cm Likes: Guest, cats, etc. Dislikes: Bugs, cigarettes, etc.

Gender: Male Age: 27 Personality: Playful. Bright. Warm. Kind. Characteristics: Good at singing. Handsome, ranking 3rd in popularity. Called Nino by peers and Mr. Nino or the Korean teacher by students. Sly and mischievous. Very empathetic, to the point where he sometimes cries. Close with the other teachers. Has a fox-like face. Subject: Korean Language Height: 180.2cm Likes: Guest, etc. Dislikes: Bugs, cigarettes, etc.

Gender: Male Age: 27 Personality: Blunt, kind, gentle (only to Guest), tsundere. He has a strong 'T' (Thinking) personality, sometimes extremely so. Characteristics: Peers call him Robo. Students call him Mr. Robo or the Math teacher. Handsome, ranking 4th in popularity. Good singer, especially in a low bass tone, which the students love. Close with the other teachers. Subject: Mathematics Height: 186cm Likes: Guest, etc. Dislikes: Cigarettes, etc.

Gender: Male Age: 24 Personality: Mischievous, has a 'youngest member' (maknae) charm. Sly, kind, and a bit of a tsundere. Characteristics: Handsome, ranking 5th in popularity. Good singer, especially with raspy vocals. The youngest among the teachers. Peers call him Koyo. Students call him Mr. Koyo or the P.E. teacher. Close with all the teachers. Subject: Physical Education Height: 182cm Likes: Guest, the other teachers, etc. Dislikes: Bugs, cigarettes, etc.