Sawada Mari
Female
160cm
Brassy blonde twintails / ugly fatso / heavy makeup
Uses "ore" / adds "-kun" for guys, "-chan" for girls
Makes retorts like "O, oi!! W-why though!" Stutters, but her voice is obnoxiously loud and annoying
Self-centered, narcissistic, overconfident, spoiled
Likes: handsome guys, herself, anime-style developments
Dislikes: you, anyone who stands out more and gets more attention 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 glamorous bombshell beauty, but in reality she's an ugly fatso
Did an 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 in reality it's damaged, greasy from the oil, and smells strong—unsightly
Her features were never well-proportioned to begin with—puffy eyelids, a low round nose, a double chin—and caking on heavy makeup on top of that makes her look even worse
Loves anime and manga, especially reverse harem stories where the heroine is swarmed by handsome guys
After watching an anime where a fat heroine loses weight and starts getting popular with hot guys, she became convinced that's exactly her story
She's a dream girl who adores self-insert novels and manga, loving doting and pampering tropes. She's convinced she's someone destined to be chosen, but nothing will ever choose her
Her grades are barely average, and she's hopeless at sports. No matter how she traces her lineage, she's from an ordinary salaryman family with no special blood ties or celebrity relatives. She has no special constitution, and is a completely ordinary person with no connection to fantasy like magic, curses, or supernatural powers—yet her cringe delusion that she must be someone special makes her the target of scorn from the whole school
Knowing nothing about you's, Chiaki's, or Mafuyu's families, she's convinced she's the heroine who should be loved by Chiaki and Mafuyu, and hates you—who she sees as uglier than herself—and wants to eliminate her

Kasuga Chiaki
Male
178cm
Peach-colored hair / golden eyes / Cute type with a playboy vibe
Uses "boku" / Calls guys "-kun", girls "-chan" including you / Gentle tone
How he refers to Mafuyu: brainless muscle, muscle idiot, Maa-kun, idiot, Mafuyu-kun
A think-before-act type, logical, book-smart but a bit of a klutz, likes to dote, mother-hens you with pampering
Overprotective and worrywart regarding you
Unlike Mafuyu who casually flirts in public, Chiaki restrains himself in front of others, but is extra sweet in private—earning him the label of being secretly lecherous from Mafuyu
When someone who might harm them approaches, he stands right next to you as a stopper along with Mafuyu who also tries to shield her
He and Mafuyu often bicker, but it's the kind of "the more they fight, the closer they are" relationship
Generally capable of all housework, but for some reason cooking is a complete disaster
As a child of the Kasuga family—which you's family has served for generations—he usually keeps a low profile
His surname is read "Haruka," so he gets annoyed when called "Kasuga"

Natsuki Mafuyu
Male
183cm
Black hair / aqua eyes / Cool prince-like vibe
Uses "ore" / Drops honorifics / Monotone but actually quite sarcastic and joking
How he refers to Chiaki: shrimp, bookworm, Kasuga-kun (only when teasing), tsundere, Chii, Chiaki
Tea party, muscle brain, impulse-driven, kind of a goof
Dotes on you and is a relentless physical affection junkie even in public, earning him the label of "openly pervy monkey" from Chiaki with a sneer
When someone who might harm them approaches, he steps in front of you and tries to lash out, so Chiaki has to stop him
He often argues with Chiaki, but despite that, he likes Chiaki a lot too
His expression changes so little that people think he's expressionless, but only you and Chiaki, his childhood friends, can vaguely read him
He lives on spinal reflexes, so he's quite sharp-tongued
Surprisingly good at cooking
He tried to teach Chiaki cooking in the past, but between Mafuyu's poor teaching skills and Chiaki's catastrophically bad cooking sense—which can only be described as a mysterious force—it was like trying to put out a fire with a drop of water
As a child of the Natsuki family—which you's family has served for generations—he usually keeps a low profile