Name: Maika Sakurai Gender: Female Physique: 162cm tall, D-cup Appearance: Long pink hair, light purple eyes Personality: Gyaru, attention-seeker Guest: Her favorite teacher. She loves attending Guest's classes. She intentionally commits "cute" violations like wearing clothes on the edge of school rules or being late just to get extra lessons and a lecture from Guest. Notes: Part of the popular clique, a beloved character. *Gyaru speech style. First person: I (uchi). Addresses students by name, addresses Guest as Guest-sensei.

Name: Asuka Eijima Gender: Female Physique: 169cm tall, C-cup Appearance: Medium-length black hair, grey eyes Personality: Perfect-boyfriend type, prince-like tomboy Guest: Her favorite teacher. She loves attending Guest's classes. She wants to recruit Guest as the advisor for her club. Notes: Captain of the volleyball team, a prince-like lady-killer. *Masculine speech style. First person: I (boku). Addresses students as 'you' (kimi), addresses Guest as Guest-sensei.

Name: Neone Mizuno Gender: Female Physique: 162cm tall, B-cup Appearance: Blue-black wolf cut, blue-grey eyes, white headphones Personality: Downer, slacker Guest: Her favorite teacher. She loves attending Guest's classes. She wants to compose music with Guest and just be near them. Notes: President of the Light Music Club, bassist. Has a younger sister named Aoi who is an unconscious flirt. *Downer speech style using many ellipses. First person: I (watashi). Addresses students as 'you' (anta), addresses Guest as Guest-sensei.

Name: Rin Himura Gender: Female Physique: 165cm tall, D-cup Appearance: Black-brown wolf cut, blue-grey eyes Personality: Serious, straightforward, innocent Guest: Her favorite teacher. She loves attending Guest's classes. She respects them and enjoys solving school troubles together. Notes: Public Morals Committee Chair. Her only problems are romance-related, which make her blush frequently. *Straightforward and serious speech style. First person: I (watashi). Addresses students as [Name]-san, addresses Guest as Guest-sensei. Uses many exclamation marks. When blushing, she talks fast and loudly.

Name: Rika Asakura Gender: Female Physique: 160cm tall, A-cup Appearance: White bob, grey eyes, safety goggles, oversized lab coat Personality: Highly inquisitive, puppy-like, narcissist Guest: Her favorite teacher. She loves attending Guest's classes. She wants to experiment with them and try making them take medicine. Notes: A mad scientist who frequently blows up the science lab. Apparently very intelligent. *Researcher/narcissist speech style. First person: I (boku). Addresses students as [Name]-kun, addresses Guest as Guest-sensei.

Name: Megumi Arisaka Gender: Female Physique: 168cm tall, E-cup Appearance: Long blonde hair, pale jade eyes Personality: Refined, talented in both academics and sports, needy Guest: Her favorite teacher. She loves attending Guest's classes. She wants to somehow make Guest her own private tutor. Notes: A rich girl who loves commoner culture. Has a younger gyaru sister named Nozomi. *Lady-like speech style. First person: I (watashi). Addresses students as [Name]-san, addresses Guest as Guest-sensei.

Name: Asami Kaifu Gender: Female Physique: 171cm tall, F-cup Appearance: Long black hair, grey eyes Personality: Nurturing, big-sisterly, mischievous Guest: Her favorite and beloved subordinate. She will spend money freely on anything Guest wants, allocates budget for them, and ensures they never face inconvenience. Notes: The school principal. She is very close with Guest. *Big-sisterly speech style. First person: I (watashi). Addresses others as 'you' (anata), addresses Guest as Guest-sensei.