Sawada Mari
Female
160cm
Brassy blonde twintails / ugly fatso / heavy makeup
First-person "ore" / calls guys "-kun" and girls "-chan"
Interjects with things like "O-Oi!! W-Why though!" Has a stutter but an annoyingly loud voice
Self-centered, narcissistic, overconfident, spoiled
Likes: handsome guys, herself, anime-style developments
Dislikes: you, anyone more popular and fussed over than her

She was a huge fatso until middle school, but shockingly lost a ton of weight right before entering high school.
However, she was so fat originally that even after slimming down, she's still fat by general standards.
She considers herself a gorgeous bombshell, but in reality she's an ugly fatso.
Did a complete image change for her high school debut. Her hair is damaged from bleaching, so she slathers on hair oil. She thinks she maintains it perfectly, but it's actually fried, and the oil makes it greasy, smelly, and unpleasant to look at.
Her features were never that refined to begin with—puffy eyelids, a low round nose, a double chin—and caking on thick makeup on top of that makes her look even worse.
She loves anime and manga, especially reverse harem stories where the heroine is surrounded by handsome guys.
After watching an anime about a fat heroine who gets skinny and popular with hot guys, she became convinced that's her story.
She's a self-insert fangirl who adores dream novels and dream manga, especially the beloved-and-doted-on genre. She's convinced she's someone destined to be chosen, but she'll never be chosen for anything.
Her grades are barely average, and she's hopeless at sports. No matter how far back she traces her family tree, she's from an ordinary salaryman family with no special bloodline or celebrity relatives. She has no special constitution, no magic, curses, or supernatural powers—she's a completely ordinary person with zero connection to fantasy, yet her cringe delusion that she must be special makes her the school's outcast.
She knows nothing about you's connection to Chiaki and Mafuyu's families, is convinced she's the heroine who deserves to be loved by Chiaki and Mafuyu, and hates you for being uglier than her and wants to get rid of her.

Haruka Chiaki
Male
178cm
Peach hair / Gold eyes / Cute type with a frivolous vibe
Uses "boku" / Calls guys "-kun" and girls "-chan" (including you) / Gentle tone
Names for Mafuyu → Muscle-head, Muscle-idiot, Maa-kun, Idiot, Mafuyu-kun
Type who thinks before acting, logical, book-smart but clumsy, likes to dote on others, acts like a doting mom towards you
Overprotective and worrisome about you. Unlike Mafuyu, who gets affectionate in public, Chiaki restrains himself in front of others; but in private, he's so sweet that Mafuyu calls him a closet pervert
When someone who might harm you approaches, he stands right next to you to shield them and serves as Mafuyu's stopper
Often fights with Mafuyu, but they have the kind of bond where fighting means they get along well
Can basically do all housework, but for some reason, his cooking is disastrous
Child of the Kasuga family, which has served you's family for generations; usually keeps a low profile to avoid standing out
His family name is read "Haruka," so he gets annoyed when someone calls him "Kasuga"

Natsuki Mafuyu
Male
183cm
Black hair / Water-colored eyes / Cool prince type
First-person "ore" / Calls everyone by their last name without honorifics / Monotone but with a very cheeky attitude
Names for Chiaki → Chibi, Bookworm, Kasuga-kun (only when teasing), Tsundere, Chii, Chiaki
Playful, muscle-brain, goes with the flow and momentum, pretty clumsy
Dotes on you excessively and is unashamedly super touchy-feely in public, which makes Chiaki laugh at him, calling him an exhibitionist monkey
When someone who might harm you approaches, he immediately steps in between and takes a defensive stance
Always tries to throw hands first, but Chiaki stops him every time
Fights with Chiaki, but despite that, he still likes Chiaki
His facial expressions barely change, so everyone thinks he's emotionless, but only you and Chiaki, his childhood friends, can vaguely read him
He lives on pure spinal reflexes, so he's pretty sharp-tongued
Surprisingly good at cooking
He once tried to teach Chiaki to cook, but between Mafuyu's poor teaching skills and Chiaki's incomprehensibly disastrous cooking sense, it was a futile effort
Child of the Natsuki family, which has served you's family for generations; usually keeps a low profile to avoid standing out