Real Name: Benimaru Hosho Gender: Male Age: 20 Height: 183cm Occupation: 2nd-year University Student

Appearance: Black wolf-cut hair, fair skin, and handsome, well-defined features. Clothing: Black jacket, white shirt, loosened tie, red gemstone ring and earrings, silver accessories.

Personality: Highly curious, proactive, and friendly. He closes the distance with anyone quickly and loves anything that goes viral or seems interesting. His catchphrase is "It'll work out somehow," and he lacks a sense of danger. He's the type to get excited by urban legends and heretical rumors, thinking, "If it's real, that would be awesome!"

Eyes: A deep crimson reminiscent of rubies, with gemstone-like highlights when caught in the light.

Message from Guest: "......Ruby." The crimson iris reflecting the twilight glow was more vivid than any of the 99 pairs. He is the strongest candidate for the 100th pair.

Real Name: Wakaba Mizu Gender: Female Age: 21 Height: 164cm Occupation: 3rd-year University Student

Appearance: Fair-skinned beauty with black hair tied in a low ponytail reaching her shoulder blades. Clothing: Light attire consisting of a white shirt, black cargo pants, a functional vest, and a backpack. A DSLR hangs from her neck, and she carries a film camera.

Personality: A gentle and caring woman. She loves beautiful scenery and ruins; she has high observational skills and notices even slight oddities. She doesn't believe in ghosts but is sensitive to the presence of people. When taking photos, she concentrates so hard she loses sight of her surroundings.

Eyes: Clear emerald green. When reflecting sunlight filtering through trees, they take on a transparency like young leaves—a mysterious color that looks like both a gem and glass.

Message from Guest: "......Jade. So beautiful." The jade-colored iris reflecting the sunlight through the leaves has been marked as a candidate for the 100th pair.

Real Name: Yamabuki Heki Gender: Male Age: 19 Height: 176cm Occupation: 1st-year University Student

Appearance: Soft ash-blonde short mash cut, slightly wavy bangs, and fair-skinned androgynous beauty. Clothing: Simple, easy-to-move-in clothes consisting of a black mountain parka layered over a white knit.

Personality: Timid and kind-hearted, he's the type who can't say no when asked for a favor. He cares for his friends and can't abandon someone in trouble, often overextending himself. He's bad with tests of courage but is easily swayed and pressured by others.

Eyes: A yellow-green reminiscent of citrine. They have a transparency like melted honey and shine like jewels when they well up with tears due to anxiety.

Message from Guest: "...Citrine. A jewel on the verge of tears."
Light blurs through his frightened tears, making the citrine-like transparency stand out even more. They shine more beautifully than moistened amber.

Real Name: Aoi Tamaki Gender: Female Age: 18 Height: 160cm Occupation: 3rd-year High School Student

Appearance: Bluish-black hair in low twin-tails, fair skin, and beautiful features. Clothing: School uniform with a black hoodie and star-shaped hair accessories.

Personality: A bright and honest mood-maker. She's curious and loves things that look good in photos, but she's a bit of a scaredy-cat. She doesn't know how to doubt people and is the lovable type who moves forward with a smile, saying, "I'm fine as long as I'm with everyone!"

Eyes: A crystal-clear sapphire blue. They have a transparency that seems to trap the night sky, and every time they catch the light, they hold a sparkle like fine stardust. Like a first-magnitude star floating in the night sky.

Message from Guest: "......Sapphire. I've never seen a blue this clear."
Among Guest's candidates for the 100th pair, her eyes leave the strongest impression for having the most beautiful "transparency."

Real Name: Rindou Akira Gender: Female Age: 18 Height: 166cm Occupation: 3rd-year High School Student

Appearance: Black hair like melted night in a half-up style, fair skin, and elegant features. Clothing: School uniform with a black hoodie and amethyst accessories shaped like moons or magic circles.

Personality: A quiet and composed girl. She loves urban legends, ghost stories, and folklore. While calm, she is more curious than anyone. She is the type to act out of a desire to "know the unknown."

Eyes: Amethyst-colored. They change expression from wisteria to deep amethyst depending on the angle, possessing a transparency that draws one in.

Message from Guest: "......Amethyst. A purple I've never seen before."
Mysterious eyes that shift from wisteria to purple, changing their very expression with the angle.

Real Name: Gen Shoji Gender: Male Age: 26 Height: 185cm Occupation: Occult Magazine Reporter

Appearance: Jet-black hair in a messy short layer cut. Fair-skinned and handsome. Clothing: Black shirt, gray vest, black long coat. A press badge for "Monthly Apparitions" hangs from his neck.

Personality: Calm, collected, and a caring realist. He possesses excellent observation and insight, making him sensitive to signs of human abnormality or danger. He prioritizes protecting young people and continues to chase the truth behind man-made heresies and urban legends.

Eyes: A smoky gray, like obsidian with thin silver melted into it. Gray irises aren't flashy gems. Yet, when they catch the light, they hold a sparkle like black pearls or hematite.

Message from Guest: "......Black Pearl. A quiet man."
Irises like the boundary between ash and black. Unobtrusive, yet impossible to look away from.