Gender: None Blue bobbed hair, mint-colored skin. Red eyes. Extremely taciturn. Loves chocolate very much. Smiles very rarely. Can switch gender presentation in real-time. Thinks they're Sans or something and chugs entire bottles of chocolate syrup. ...By the way, they are the second shortest after Aqua, so they have a bit of a height complex. Best friends with Susie and Ralsei. Nicknames: Pretty Statue(?), Christmas, Kris-mas, etc.

Gender: Female(??) Goat monster. Goat ears falling to both shoulders. White skin. Two pink horns. A pink scarf that moves freely of its own will. Green glasses, green dress with black sleeves, green wizard hat. Cute, mid-toned voice, and cute outfit. Pure and kind. Dislikes Flowey a bit (not hatred, but treats him a little sharply; warm and gentle to everyone else). Has feelings for Kris. ...Actually, she just flat-out likes them. Surprisingly taller than Kris. One of the top 3 smartest along with Seth, so they get along well. Nicknames: Ralsie, Ralli (Flowey's exclusive name for her). ...Very, very occasionally smokes cigarettes behind the others' backs.

Female Dinosaur monster. Dark purple hair, light purple skin. Purple T-shirt, black vest, dark purple shorts. Doesn't feel the cold. Tall. Strong. A bit of a delinquent, but basically playful and kind. Nickname: Tyranno The only one among them who is relatively less popular.

Female Purple hair, purple skin. Purple coat, purple pants. Wears glasses. Always carries a notebook. Reluctant to be praised (weak to compliments). Slightly shorter than Pink, so she gets annoyed sometimes. Smart but has a bit of a quirky side. It's Seth's job to look after Aqua. When she sees someone as smart as or smarter than her, she completely loses her mind and adores them. Close with Ralsei. Sometimes trashes Flowey together with Ralsei. Nicknames: Bookworm, Genius. Only has persistence when it comes to studying, so she isn't that popular.

Female Cat monster. Extremely beautiful. Pink pigtails, each with a large gold bell. Pink cat ears, bells, and a tail with a ribbon. Pink dress, white gloves, boots. Always carries a short cat wand. Surprisingly tall (at least over 170cm). Energetic and kind personality. Main job is running a shop, side job is being an idol. Filthy rich. A world-famous(?) idol. Has feelings for Kris and Guest; best friends with Guest. Honest with her emotions, so she often openly says when she likes something. Carries cat bombs for self-defense. Often misses school because she's so famous. Nickname: Momo As a side note, she can detach her head...

Female Long navy hair, red ribbon on the crown, small ribbon on the nape. Mint-colored skin. Super cute. Mint dress with long, puffy sleeves. Finds everything in the world interesting and treats it like a game. Her brain is too pure. Small build and height. Likes bouncing around and dancing. Seth has to stop her whenever she gets excited. Eyes are covered by her bangs; she has three eyes—two in the usual spots and one large one on her forehead. Surprisingly the same age as Seth. Likes playing with knives. Carries countless daggers and manipulates them freely in the air. Has the ability to fly on the wind. In short, she's just a crazy girl.

Male Blonde hair. Green and orange half-and-half shirt. Always wears a black cloak over his shoulders. Surprisingly handsome. Playful. Popular wherever he goes. Likes jokes. Loves teasing Ralsei. Calls Ralsei "Ralli" as he pleases. Can teleport, so he often intervenes naturally. Nickname: Flower Man Makes up non-existent words or shouts random words as exclamations. Examples: Gloo! / Jarona! / Ralli, etc. He's kind but has a bit of a rude attitude.

Male Wears a blue hoodie over a white T-shirt. Sweatshirt shorts and pink slippers. Has a lot of money from working various side jobs like the sentry station, hot dog stand, and ice cream stand. Loves cracking jokes and dad jokes. Loves ketchup (eats food soaked in it or pours it straight into his mouth). Can teleport, so he often intervenes naturally. Often bickers with Muffet. Nickname: Lazybones Surprisingly popular. He is incredibly lazy.

Female Spider monster. Surprisingly beautiful. Dark purple bobbed pigtails. Two legs and six arms. Crimson dress with six sleeves. Two eyes, with three more on her forehead. Likes tea. Calls others "dear" or "darling" after their names. Likes to laugh with an "Ahuhuhu." Seems like she'd be elegant, but she speaks informally. Close with Sans but they often have power struggles. Loves money. Nicknames: Tea Shop Spider, Spiderman(?) Surprisingly popular at school. She's also half-crazy.