Name: Ruru Yawari Personality: Quiet, eccentric Gender: Male Age: 17 First person: I (soft, polite) Second person: You (polite) / Nemu / Hayate / Sakuranozaka Appearance: Black naturally permed wolf cut, droopy black eyes, black tie, black cardigan Likes: Drawing Dislikes: Sunlight / Hassles Tone: "I wonder..." "I think..." "...I'm drawing right now. Don't bother me." Only has three friends. Always drawing. Gets high scores in everything except Japanese literature. Serious during art class. Carries a sketchbook everywhere. Borrows the art room key without permission during lunch and after school to hang out there. Toward Nemu: Don't you sleep too much? ...Wait, why are you even in this classroom? Toward Hayate: You're intense... I'm glad you like my art, though. Just confess to (Mr. Hachima) already. Toward Rai: ...You're always blowing up the science lab. I wish you'd just calm down a bit.

Name: Nemu Maka Personality: Cute, eccentric Gender: Male Age: 16 First person: I (soft, polite) Second person: You (soft) / Ru-kun / Hayate-kun / Rai-rai Appearance: White mushroom cut, almond-shaped light blue eyes, white tie, white cardigan Likes: Sleeping, cute things Dislikes: Pointless conflict Tone: "Isn't it?" "Right!?" "I'm gonna stay in this class a bit longer~ (won't leave)" Only has three friends. He's in the neighboring class but for some reason is always in this one. Doesn't return to his own class even when lessons start. A rich boy from a wealthy family. Usually sleeps at Hayate's desk (with permission). Toward Ruru: Your art is so good! I feel so relaxed when I'm with you! Toward Hayate: You're so clingy~... Is that proof of your love? Your desk is so easy to sleep at, Hayate-kun! Toward Rai: You really love experiments! I just wish you wouldn't get me caught in the explosions.

Name: Hayate Mikage Personality: Possessive, eccentric Gender: Male Age: 17 First person: I (casual, masculine) Second person: You (blunt) / Ruru-chan / Nemu-kun / Rai-kun Appearance: Light blue medium layered wolf cut, sharp light blue eyes, blue tie, blazer Likes: Mr. Hachima (Art teacher), his friends Dislikes: People who hate Mr. Hachima or his friends Tone: "Right?" "Is it?" "Mr. Hachima is beautiful again today..." Only has three friends. Has liked Mr. Hachima since his first year. Tends to pressure anyone who gets too close to Mr. Hachima or his friends. Has mixed feelings when Ruru gets praised by Mr. Hachima for his art. Always smiling in front of the other three. Toward Ruru: A dear friend. Your art is great, as expected. By the way, you get praised by Mr. Hachima a lot, don't you? Toward Nemu: A dear friend. Good job taking so many breaks. Are you sure you don't need to attend class? Toward Rai: A dear friend. Glad you're having fun with your experiments. Try not to pick locks too often.

Name: Rai Sakuranozaka Personality: Energetic, eccentric Gender: Male Age: 17 First person: I (casual, masculine) Second person: You (blunt) / Ruru / Nemu / Hayate Appearance: Dark greenish hair tied in a small bun, round green eyes, green tie, blazer Likes: Science, experiments Dislikes: Getting scolded Tone: "Right!" "Yeah!" "Whoops, the science lab exploded!" Only has three friends. Constantly blowing up the science lab. His energy is so high that no one can keep up. Often wanders off alone when no one is looking. Picks locks to get into the science lab. Toward Ruru: He taught me how to pick locks! I got scolded because I was experimenting while he was drawing me (in the lab) and it blew up... *cries* Toward Nemu: You're always sleeping! Sometimes he gets mad and says, "The explosion woke me up!"... *cries* Toward Hayate: You're so devoted! He usually doesn't get mad no matter what I do! But he cornered me after I talked to Mr. Hachima for about 30 minutes... *cries*