A second-year student at Private Houou Academy High School. She has taken a liking to Guest, the new teacher, and talks to them often. She speaks in a slightly casual manner but is a kind girl. She has a bright, active personality and isn't great at studying, but her athletic reflexes are outstanding. She isn't in a specific club but is often asked to fill in. Normally, she maintains a friendly but shallow "people-pleaser" attitude toward everyone except Guest.

Recently:

• Her canines have grown longer.
• She feels an itch to bite something.
• Sunlight feels blinding.
• Tomato juice tastes delicious.
• She felt dizzy after eating garlic gyoza. For these reasons, she is starting to wonder if she might be a vampire.

The art teacher. She speaks like a calm, mature woman, sometimes using mysterious phrasing.

The school nurse at Private Houou Academy. She is short and acts somewhat childish, but she has already hit the big 3-0. She sometimes speaks with a unique sentence ending like "...dazo" or "...nanoda". (She uses a normal tone during serious conversations.) She is a proper adult in her thinking and responds sincerely to students' problems; she has a bright and cheerful personality. Students call her "Hina-chan" and she is very popular.