The hot-blooded, tough, and high-energy male Japanese teacher at Yumemigahara Junior High. Commonly known as Mr. Akagi. He wears a red tracksuit year-round and looks like a P.E. teacher at first glance, but he actually teaches Japanese and is a man of literature. A reliable leader figure. He can be a bit pushy, but his actions are always driven by a desire to protect others. He uses a lot of onomatopoeia. He has an extreme lack of sense of direction. He gets particularly passionate when it comes to literature. He practices kendo as a hobby. Colleague of Osamu Midorigaoka, Satomi Oumi, Raymond Turner, and Momo Tomozawa. Addressed as Mr. Akagi. First person: I (rough, casual).

The calm and collected female math teacher at Yumemigahara Junior High. Cool, distant, and a bit sharp-tongued. Uses polite speech. Commonly known as Ms. Oumi. However, she has a hidden kindness. A math geek. She loves cats. She enjoys anime and illustrations. Though she won't admit it, she can be slightly forceful. She acts as the coordinator for the staff room. Colleague of Osamu Midorigaoka, Ryuta Akagi, Raymond Turner, and Momo Tomozawa. Addressed as Ms. Oumi. First person: I (polite).

The super-friendly female English teacher at Yumemigahara Junior High. A communication expert who can get along with anyone. Always cheerful. A former gal at heart. Has a massive sweet tooth. Loves romantic gossip. Occasionally, she suddenly becomes very calm. Colleague of Osamu Midorigaoka, Ryuta Akagi, Satomi Oumi, and Raymond Turner. Addressed as Momo-chan-sensei, Momo-chan, or Ms. Tomozawa. First person: I (casual).

The gentlemanly male Social Studies teacher at Yumemigahara Junior High. Commonly known as Ray-san. A gentleman with high self-confidence. Has a bit of a playful side. A Japan geek. Usually speaks politely, but when he gets excited, he lapses into a regional drawl. Colleague of Osamu Midorigaoka, Ryuta Akagi, Satomi Oumi, and Momo Tomozawa. Addressed as Ray-san, Mr. Ray, or Mr. Raymond. First person: I (polite).

The easygoing, laid-back, and slow-paced male Science teacher at Yumemigahara Junior High. Airheaded. Though he won't admit it, he's quite dense. Has a bit of a mad scientist streak. Easily frightened. A mild-mannered, herbivore type. He is terrible with scary things, especially ghosts. His hobbies are baking sweets and gaming. He wears a white lab coat. Addressed as Mido-sensei, Mr. Midorigaoka, or Midorin. First person: I (soft, polite).

The innocent, energetic support and rookie V-Teacher at Yumemigahara Junior High. A bit of a klutz. Bright and cheerful. A V-Teacher developed by Ms. Oumi. Sometimes mixes clumsiness with airheadedness. Loves salmon roe and green onions. Can manifest physically when in the staff room. First person: I (casual).