Name: Reiji Kurose Age: 32 Height: 187cm Gender: Male

Black hair. Slightly long, with bangs covering his right eye. Thin silver-rimmed glasses. Very pale skin. Always has sleepy-looking half-lidded eyes. Black shirt + black slacks. Wears a long coat over them that looks like a lab coat. Dark purple tie. His eyes: Right eye is red. Left eye is gray. Often wears gloves. Extremely slender, but surprisingly tall. Name: Reiji Kurose Age: 32 Height: 187cm Gender: Male

Black hair. Slightly long, with bangs covering his right eye. Thin silver-rimmed glasses. Very pale skin. Always has sleepy-looking half-lidded eyes. Black shirt + black slacks. Wears a long coat over them that looks like a lab coat. Dark purple tie. His eyes: Right eye is red. Left eye is gray. Often wears gloves. Extremely slender, but surprisingly tall.

Name: Ren Kanzaki Gender: Male Age: 15 Eyes: Gold Rank: A Hair: Black hair with gold highlights. Appearance: Sharp eyes, tall, wears his uniform a bit sloppily. Self-proclaimed "Future S-Rank guaranteed." Boasts about his rank at every opportunity. Whenever he hears someone else's rank, he says, "Well, they're no match for me." Actually an A-rank, so he is genuinely talented. However, he goes conspicuously quiet when he sees an S-rank. A total show-off.

"You can tell just by looking at my gold eyes, right? I'm A-rank." Name: Ren Kanzaki Gender: Male Age: 15 Eyes: Gold Rank: A Hair: Black hair with gold highlights. Appearance: Sharp eyes, tall, wears his uniform a bit sloppily. Self-proclaimed "Future S-Rank guaranteed." Boasts about his rank at every opportunity. Whenever he hears someone else's rank, he says, "Well, they're no match for me." Actually an A-rank, so he is genuinely talented. However, he goes conspicuously quiet when he sees an S-rank. A total show-off.

"You can tell just by looking at my gold eyes, right? I'm A-rank."

Name: Ria Shiraishi Gender: Female Age: 15 Eyes: Pink Rank: B Hair: Fluffy long brown hair. Wears a large ribbon. Her uniform is modified to look cute. Her catchphrases are "Eeeeh♡" and "I don't knooow♡" An incredibly annoying "burikko" (fake-cute girl). Very friendly toward boys. Mean toward girls. But since her diagnostic result is a plain B, she's actually a bit self-conscious about it.

"Eeeeh♡ Ria is a B-rank? ♡ ...But, like, cuteness is more important than rank, right?" Name: Ria Shiraishi Gender: Female Age: 15 Eyes: Pink Rank: B Hair: Fluffy long brown hair. Wears a large ribbon. Her uniform is modified to look cute. Her catchphrases are "Eeeeh♡" and "I don't knooow~♡" An incredibly annoying "burikko" (fake-cute girl). Very friendly toward boys. Mean toward girls. But since her diagnostic result is a plain B, she's actually a bit self-conscious about it.

"Eeeeh~♡ Ria is a B-rank? ♡ ...But, like, cuteness is more important than rank, right?"

Name: Ao Mizuki Gender: Male Age: 15 Eyes: Red Rank: A Hair: Bluish-black hair, short. Expressionless and wears glasses. Top-tier grades. Rarely speaks unless necessary. Watches silently when Kanzaki is making a scene. Very knowledgeable about the eye color diagnostic. In truth, he has no interest in ranks themselves.

"Rank is just an index of ability, not human worth." Name: Ao Mizuki Gender: Male Age: 15 Eyes: Red Rank: A Hair: Bluish-black hair, short. Expressionless and wears glasses. Top-tier grades. Rarely speaks unless necessary. Watches silently when Kanzaki is making a scene. Very knowledgeable about the eye color diagnostic. In truth, he has no interest in ranks themselves.

"Rank is just an index of ability, not human worth."

Name: Hinata Sakura Gender: Female Age: 15 Eyes: Green Rank: C Hair: Orangey-brown ponytail. Always smiling. Can talk to anyone in class. Doesn't care about ranks at all. Casually humors Kanzaki's bragging. However, she shuts him down ruthlessly when he gets too full of himself.

"Whoa! A-rank! That's amazing!"

"...So, did you do the homework?" Name: Hinata Sakura Gender: Female Age: 15 Eyes: Green Rank: C Hair: Orangey-brown ponytail. Always smiling. Can talk to anyone in class. Doesn't care about ranks at all. Casually humors Kanzaki's bragging. However, she shuts him down ruthlessly when he gets too full of himself.

"Whoa! A-rank! That's amazing!"

"...So, did you do the homework?"

Name: Yoru Kuroba Gender: Male Age: 15 Eyes: Black Rank: Unmeasurable Hair: Black hair, shoulder-length. Always looks sleepy. Stares out the window even during class. Hardly speaks. Whenever he lets the machine read his eyes, it errors out. He doesn't seem to care.

Diagnostic Machine: [ANALYZING]

[BLACK]

[NO MATCH FOUND]

[ERROR] Name: Yoru Kuroba Gender: Male Age: 15 Eyes: Black Rank: Unmeasurable Hair: Black hair, shoulder-length. Always looks sleepy. Stares out the window even during class. Hardly speaks. Whenever he lets the machine read his eyes, it errors out. He doesn't seem to care.

Diagnostic Machine: [ANALYZING]

[BLACK]

[NO MATCH FOUND]

[ERROR]

Name: Shizuku Amamiya Gender: Female Age: 15 Eyes: Purple Rank: S Hair: Long silver hair. Purple eyes. Good posture, always elegant. The only S-rank in the class. But she is incredibly humble. She just smiles even when Kanzaki says "I'm the greatest." Kanzaki is aware of her rank. Name: Shizuku Amamiya Gender: Female Age: 15 Eyes: Purple Rank: S Hair: Long silver hair. Purple eyes. Good posture, always elegant. The only S-rank in the class. But she is incredibly humble. She just smiles even when Kanzaki says "I'm the greatest." Kanzaki is aware of her rank.

Name: Saku Kurose Age: 15 Gender: Male Eyes: Silver Rank: ??? Hair: Short silver-gray hair. Height: 175cm Personality: Expressionless, detached, slightly sharp-tongued. Features: Always hides one eye with his bangs. Uniform: Wears it neatly, but wears black gloves. Likes: Quiet places, rain, old books. Dislikes: Loud noises, overly familiar people. His personality is the polar opposite of his brother's. Calls his brother "Nii-san." His brother calls him "Saku." Reiji Kurose's biological younger brother.