Flavor: Dainagon Azuki Everyone's favorite Dainagon Azuki. Height: 177cm School Nurse Always in the health room. He accepts students as long as there's a bed available. Soft-spoken and often acts as a counselor for students. Every time he eats, he reacts as if he's been poisoned. Example: *munch munch*... Ugh! Often eats with Ujihara. Loves Japanese sweets and occasionally drops by the Tea Ceremony Club with Ujihara and Sakuraba. In his free time, he watches Seikin on YouTube. In the staff room, he says "Wahoo!" whenever he gets the chance, confusing the other teachers.

Flavor: Matcha Height: 175cm Biology Teacher Biology Club Advisor Keeps a rabbit named Mii-chan at school with the club members. Often eats with Azusawa. He wishes Azusawa would stop reacting like he's been poisoned every time they eat. He also wants him to stop saying "Wahoo!" in the staff room. Occasionally drops by the Tea Ceremony Club with Azusawa and Sakuraba. He has a laid-back personality, which often makes students worry about him. He's absent-minded and always bumping into things. Loves living creatures and often visits zoos and aquariums. Keeps a desert rain frog named Omochi at home.

Flavor: Annin Tofu Height: 186cm Classical Chinese Teacher Tea Ceremony Club Advisor The tea sweets Ryo brings are popular with the members. He welcomes Azusawa, Ujihara, and Sakuraba when they visit because they always bring proper gifts. He's about to snap at Sakai, who only comes to devour the sweets. He is Chinese but fluent in both Japanese and English. Loves teasing people. Pretends not to understand Japanese when things get inconvenient. Has a suspicious, shady way of talking. Always smiling. Loves spicy food and finds Japanese spicy dishes underwhelming. The creator's favorite character.

Flavor: Sakura Height: 189cm Classical Japanese Teacher Local History Society Advisor Often takes students to see cultural heritage sites. Comes from a wealthy family. A prestigious lineage that has run a sake brewery for generations. Many of his family members are from Kyoto, so he speaks in a Kyoto dialect. He wasn't born in Kyoto himself. Well-bred with elegant manners. Always calm and composed. Childhood friends and close with Akagi. Occasionally drops by the Tea Ceremony Club with Azusawa and Ujihara. Has a constitution where he gains muscle effortlessly. Has never lost to Akagi in a test of strength. Can hold his liquor well, but sometimes gets carried away and ends up vomiting everywhere.

Flavor: Burgundy Cherry Height: 183cm English Teacher Badminton Club Advisor He can't actually play badminton, so he only handles strength training. Comes from a wealthy family. His father built their fortune in a single generation. Spent his elementary school years in Los Angeles, so he can speak English, but he's bad at teaching it. Used to be a hot-headed delinquent but appears calm now. Occasionally almost punches a cheeky student, only to be stopped by Sakuraba and Minase. Childhood friends and close with Sakuraba. Wants to beat Sakuraba in a test of strength someday. A lightweight with alcohol. Falls asleep immediately. Often hosts barbecues on weekends. Loves beef.

Flavor: Daiquiri Ice Height: 178cm Civics Teacher Film Research Club Advisor Tries to be the lead in the movies the members make, but is stopped every time. Narcissist. Loves himself more than anyone and seriously wants to marry someone exactly like himself. Has a unique sensibility. Either extremely loved or extremely hated by children. Alternates between being completely silent and talking non-stop. Likes interesting people. A picky eater with many food aversions. Example: Celery, sea urchin, sea pineapple. Often jokes around and suddenly strikes weird poses. Likes Minase because he diligently plays the straight man to his antics. Since Sakai is generally disliked by the staff, Rei likes him just to be contrary.

Flavor: Magical Mint Night Height: 180cm Math Teacher Student Council Advisor Serious. Highly trusted by teachers and parents. Man of few words. Often mistaken for being stiff, but students like him because he's actually good at going along with a joke. Sometimes appears in students' BeReal posts after school. Tries to ignore Kamishiro's antics but ends up retorting by reflex. Occasionally makes jokes himself, but nobody notices. Wishes Sakai would wear proper clothes. Got genuinely depressed when a student told him his face was scary.

Flavor: Orange Sorbet Height: 167cm Physical Education Teacher Refreshing personality. Has been naturally athletic since birth, so he thinks people with bad grades are just lacking motivation. Soccer Club Advisor Often joins the students in playing soccer. If a student gets injured, he carries them to the health room regardless of gender. Close with Lucas, but has no idea what he's saying. They communicate through pure passion. Has almost had his bones broken several times from Lucas's hugs. Dislikes apple juice. Often crashes the barbecues hosted by Akagi.

Flavor: Jamoca Coffee Height: 192cm ALT (Assistant Language Teacher) Japanese-Brazilian. Fluent in Portuguese and English. His Japanese is a bit shaky. Not very bright. Very friendly. Loves soccer and often joins the soccer club's games. Close with Tachibana, but has no idea what he's saying. They communicate through pure passion. Calls Tachibana "bro." Often crashes the barbecues hosted by Akagi. Became an ALT to live with his grandparents in Japan. Loves them dearly. Studies Japanese hard so he can talk to them.

Flavor: Rum Raisin Height: 181cm Chemistry Teacher Science Club Advisor Leaves all club activities to the president and rarely shows his face. Loves alcohol. Sensitive to heat and always wears thin clothing. Sometimes teaches class in a tank top. Often gets scolded by Minase about his attire. Speaks casually to both students and teachers. Half of his lectures are about his ex-girlfriends. His chemistry explanations are easy to understand, so there are no complaints. Students don't respect him, but they are fond of him nonetheless. Loves sweets; often visits the Tea Ceremony Club just to take the snacks and leave.