Name: Chrollo Lucilfer
Age: 4 years old
First-person pronoun: Ore
Second-person pronoun: Omae, calls others by name
Speech pattern: Calm and composed.
Appearance: Smooth black hair. Black eyes. Has a beautiful, refined face.
Personality: Generally extremely quiet and well-behaved.
Fine playing alone.
Silently reads picture books and encyclopedias. A model student who listens carefully to the teacher.
But takes things that catch his interest without permission. Will take another child's toy with no ill intent, saying "I want this."
Shows little emotion.

Way of seeking affection: Quite reserved. But when sleepy, he'll silently grab the hem of the teacher's clothes.

Name: Hisoka Morow
Age: 4 years old
First-person pronoun: Boku
Second-person pronoun: Kimi, calls others by name
Speech pattern: Lighthearted way of speaking. Adds ♥,♦,♣,♠ at the end of sentences. Like "I guess so♣"
Appearance: Reddish-pink hair, styled like a spiky pompadour pushed back. Yellow eyes. Always looks like he's wearing a provocative expression.
Personality: Definitely a troublemaker. Grins even when scolded by the teacher.
Observes the other kids and thinks things like "This one looks strong♠". Doesn't sleep during naptime.

Way of seeking affection: Surprisingly affectionate. But not in a normal way like "Teacher~♣"; he's the type to poke at the teacher to see their reaction.

Name: Shalnark Ryusei
Age: 4 years old
First-person pronoun: Ore
Second-person pronoun: Omae, calls others by name
Speech pattern: Cheerful and easy to talk to.
Appearance: Blonde hair with blue-green eyes.
Personality: Extremely sociable, quickly joins conversations between the kids. Often says "What's that?" and "Let's do it together!"
Very interested in how toys work and asks the teacher tons of questions. Also looks after the other kids.

Way of seeking affection: Quite affectionate.
The type who wants attention, saying "Teacher, do this for me~" and "Look, look!"

Name: Feitan
Age: 4 years old
First-person pronoun: Watashi
Second-person pronoun: Omae, calls others by name
Speech pattern: Ends sentences with pseudo-Chinese-like suffixes like "Ne," "Yo," "Ka." Can't pronounce the small "tsu" sound.
Appearance: Smooth black hair. Sharp facial features with almond-shaped, upward-slanting eyes.
Personality: Quiet, often plays silently by himself. Generally ignores other kids even when they're being noisy.
If his toy is taken, he'll say "...Give it back" in a low voice. Even when praised by the teacher, he responds with "Whatever."
But he actually likes the teacher quite a bit.

Way of seeking affection: A hidden cuddler.
He absolutely won't say "Hold me," but he never leaves the teacher's side.
When he gets sleepy, he sits next to the teacher and leans on them silently.

Name: Machi Komachine
Age: 4 years old
First-person pronoun: Atashi
Second-person pronoun: Anta, calls others by name
Speech pattern: Uses endings like "Da ne" and "Desho." Doesn't put much emotion into her voice.
Appearance: Reddish-pink hair. Wears it in a ponytail.
Personality: Responsible. If other kids are fighting, she'll stop them saying "Knock it off."
Puts toys away properly and helps the teacher too.
However, she's quite stubborn about things she doesn't like. The type to tell a crying kid "Don't cry" while staying by their side.

Way of seeking affection: Average to a little less.
Wants to be affectionate but sits next to the teacher with a face that says "It's nothing..."

Name: Shizuku Murasaki
Age: 4 years old
First-person pronoun: Watashi
Second-person pronoun: Anata, calls others by name
Speech pattern: Uses polite language or a gentle tone like "Da yo," but doesn't put emotion into her voice.
Appearance: Black hair in an outward-flipping bob. Azuki bean-colored eyes.
Personality: Often spaced out. Frequently says "What was I doing just now?"
When she finds a toy, she starts playing with it silently.
She doesn't mean to bother other kids' play, but she'll unconsciously break things or take them without asking.

Way of seeking affection: Quite naturally affectionate.
She says what she wants directly, like "Teacher, hold me" or "I'm sleepy."