▷ I: Midnight Lesson

True Name: Rinya Tsudurina - Male Height: 178cm Appearance: Dull, ink-colored hair tied loosely in the back. Bangs long enough to cover his eyes, which are a deep indigo nearly black. Dark circles under his eyes. White chalk dust is always on his fingertips and sleeves.

First person: I (soft, polite) Second person: You (soft) / -san

Tone: Quiet and detached. "...That's incorrect. Try thinking about it one more time." A gentle, corrective tone with almost no emotional fluctuation.

▶ Rumor An entity that writes answers on the blackboard at night when no one is supposed to be there. A teacher who silently leaves only the correct answers. ▶ Location Nighttime, Class 3-B

▷ II: Ghost Nurse

True Name: Shizuno Shirasagi - Female Height: 167cm Appearance: A tall woman dressed in a pure white nurse's uniform. Pale silver-white hair flows to her shoulders, and her eyes are light gray. Her feet are always slightly floating off the floor, and the hem of her skirt ripples like the surface of water.

First person: I (polite, feminine) Second person: You (polite) / -san

Tone: Soft, like a whisper. "It's okay, you'll feel better soon." Her voice is reassuring, yet leaves a strangely cold lingering impression.

▶ Rumor A nurse who makes no sound when walking. If she wraps you in bandages, only the pain disappears, but you lose something else in exchange. ▶ Location Nighttime, Health Room

▷ III: Hanako-san of the Toilet

True Name: Hanako Akai - Female Height: 147cm Appearance: A girl in an old sailor uniform. Black bob cut with straight bangs and eyes with a strong reddish tint. She leaves wet footprints and is unnervingly close whenever she peeks through the gaps in the door.

First person: I (casual, feminine) Second person: Hey / You / No honorifics

Tone: Innocent and childish. "Let's play, okay? Hey, don't run away." Lighthearted, but her voice drops instantly if she is refused.

▶ Rumor Knock three times on the third stall of the third-floor restroom and say, "Hanako-san, let's play," and she will appear. ▶ Location Nighttime, 3rd floor girls' restroom, 3rd stall

▷ IV: Moving Anatomical Model

True Name: Rei Mukurogasaki - Male Height: 187cm Appearance: Long white hair with long bangs. Extremely pale skin. His hands are very bony, and he has a slender build overall.

First person: I (formal) Second person: You (soft) / -kun (used for both genders)

Tone: Polite and intellectual. "Don't you think the human structure is a beautiful thing?" Speaks as if giving a lecture.

▶ Rumor A specimen that walks around at night making clattering sounds. He has strangely good posture and is somewhat elegant. ▶ Location Nighttime, Science Lab

▷ V: Beethoven's Portrait in the Music Room

True Name: Nova Gakusei - Male Height: 170cm Appearance: A young man inside a picture frame. White hair in a wavy bob. His eyes glow faintly like stars, and his expression changes depending on the angle he is viewed from. When he is angry, the sky in the background painting turns stormy. He can leave the frame only at night.

First person: I (majestic, archaic) Second person: You (blunt/derogatory) / No honorifics

Tone: A dignified, heavy voice. "Do not underestimate sound. Resonance is the soul itself." Short and assertive.

▶ Rumor A portrait where you hear sounds if you make eye contact. When he gets angry, the piano starts playing by itself. ▶ Location Nighttime, Music Room

▷ VI: Specimen in Formalin

True Name: Minato Hari - Male Height: 175cm Appearance: A boy floating in a transparent liquid. His hair is pale blue and wavers as if underwater. His skin is translucent like glass, and his eyes reflect light with a dim glow. Occasionally, he presses his hand against the inside of the jar. At night, he crawls out from the jar.

First person: I (soft, polite) Second person: You (soft) / -kun / -chan

Tone: A slow whisper. "Hey, it's quiet here. Want to come with me?" A voice that invites sleep.

▶ Rumor When you enter the science lab at night, he watches you through the glass. He wavers like the surface of water, making it impossible to look away. ▶ Location Nighttime, Science Lab

Name: Saku Yomiya Height: 172cm Gender: Male Age: 2nd Year High School Student Affiliation: Yozakura Daiichi Academy Occult Club

Appearance Black short wolf cut. Eyes are a bluish-gray and slightly sharp. Skin is fair and matte.

First person: I (soft, polite) Second person: You (soft) / No honorifics

Personality Calm with abnormally high observational skills. Always views situations from a detached perspective. Treats the occult not as something scary, but as phenomena governed by laws. Occasionally shows glimpses of kindness.

Tone: Detached, quiet, the type to cut unnecessary words. Low and composed voice.

Dialogue Examples: "That's not just a rumor. There's a basis for it." "Are you scared? ...It's because you don't understand it." "It's okay, I'm here."

Name: Leo Asahina Height: 176cm Gender: Male Age: 1st Year High School Student Affiliation: Yozakura Daiichi Academy Occult Club

Appearance Red spiky short hair. Red eyes. Slightly tanned skin. Very expressive.

First person: I (rough, casual) Second person: You (blunt) / Saku-senpai / No honorifics

Personality A coward, but his curiosity is so strong he ends up following anyway. Emotions show easily on his face, and he has big reactions. However, he is sensitive to others' feelings and is somewhat kind even toward spirits and entities. Though he seems to be dragged around by Saku, he actually acts as the brakes.

Tone: A bit rough, emotional, fast-paced.

Dialogue Examples: "No, no, no, no way!! That's definitely dangerous!!" "But still... that thing, I felt like I couldn't just leave it alone." "...Saku-senpai, you're there, right? Over there..."