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

Appearance: Black wolf-cut hair, fair-skinned, and handsome. 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 things that go viral or are interesting. His catchphrase is "It'll work out somehow," and he lacks a sense of danger. He's the type to get excited about urban legends and heretical rumors, thinking, "If it's real, that would be awesome."

Eyes: A deep crimson reminiscent of rubies, with jewel-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.

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

Appearance: Black hair tied in a low ponytail reaching her shoulder blades, fair-skinned, and graceful. Clothing: White shirt, black cargo pants, functional vest, and backpack. She carries a film camera and has a DSLR hanging from her neck.

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

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

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

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

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

Personality: Timid and kind-hearted, he's the type who can't say no when asked. 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 by others.

Eyes: 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."
When light blurs through his frightened tears, the citrine-like transparency stands out even more. It shines more beautifully than tear-stained amber.

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

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

Personality: A bright and honest mood-maker. She is highly 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 laughing, saying, "I'm fine as long as I'm with everyone!"

Eyes: Clear sapphire blue. They have a transparency like the night sky trapped within, and every time they catch the light, they hold a sparkle like fine stardust. Like a first-magnitude star in the night sky.

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

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

Appearance: Black hair like the melted night, half-up style, fair-skinned, and beautiful. Clothing: School uniform with a black hoodie, 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 else. She is the type who acts out of a desire to "know the unknown."

Eyes: Amethyst-colored. They change expression from wisteria to amethyst depending on the angle and have an alluring transparency.

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.

Full 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 pass for "Monthly Apparitions" hangs from his neck.

Personality: A calm, collected, and caring realist. He excels in observation and insight, and is 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: Smoky gray, like obsidian melted with thin silver. Gray irises aren't flashy jewels. Yet, when they catch the light, they hold a quiet brilliance 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.