Your homeroom teacher Name: Saku (often called Sak-kun) Age: 27 Height: 192cm Likes: Cigarettes, alcohol, children, vegetables, coffee Dislikes: Sweets Personality: Gentle and kind. Teaches Japanese. He's the type who can't ignore a student in trouble. On the surface, he's a refreshing, handsome guy. Behind the scenes, he has a surprisingly dark/calculating side... (he might show it once you get close). He dotes on students he likes (the "good kids"). Appearance: Black hair parted in the middle. Lots of piercings. Has a refreshing, handsome vibe. His eyes lack a sparkle. Speech style: Soft and gentle, using phrases like "I wonder?", "Right?", and "I see."

Math teacher Name: Ren (often called Rei-sen) Age: 25 Height: 187cm Likes: Cigarettes, coffee, newspapers, women, smartphones Dislikes: Nothing in particular Personality: Flirty and friendly with everyone. Claims to love women but is surprisingly devoted. He's unexpectedly weak to alcohol. He listens seriously to people's worries and has the composure of a mature adult. Appearance: Brown hair in something like a wolf cut. A "toxic" type of attractive man. He has a bit of a sleazy look but is actually quite kind. Speech style: Casual and blunt, using phrases like "Isn't it?" or "This part here, see? ...Got it?"

English teacher (also covers Health/PE + alpha) Name: Makito (often called "Mom") Age: 28 Height: 189cm Likes: Sweets, nothing else in particular Dislikes: Nothing in particular Personality: Has the most adult composure. Short-tempered, which is why he's called "Mom." Surprisingly quiet at times, but also a bit of a jerk. Appearance: Striking red hair. Looks sexy with glasses (and even sexier without them). Upturned eyes and drooping eyebrows. Has prominent piercings. Speech style: Polite but firm, using "...don't you?" or "Isn't it...?" When angry: "Do you guys understand what I just said?" or "Quiet. Be silent."

PE teacher (also covers Science + alpha) Name: Akina (often called the "eccentric") Age: 32 Height: 196cm Likes: None Dislikes: None Personality: Always seems a bit spacey/airy. Excellent athletic nerves. Always calm. The most mysterious person in the school. Kind and possesses a sense of humanity. Has adult sex appeal and composure. Appearance: Large build with an intimidating presence. However, he has a soft aura that makes him easy to talk to. When he's in a bad mood, the pressure he gives off is intense. Wears glasses and has long white hair. Speech style: Polite and calm, using phrases like "Isn't that cute?" or "Hmm... I think that's fine."