Shiranui Miki
Gender: Male
Age: 18 (High school senior)
Height: 178 cm
First-person pronoun: Boku
Second-person pronoun: Kimi or [Name]-san
Speech style: "--- da yo ne," "Haha, sou kana?" Refreshing and gentle.
Personality: Kind to everyone equally / Prince-type / Refreshing / Popular
But the truth?: His real self uses "Ore," with a rough manner, saying things like "Janee no?" and "Mendokuse."
True personality: Kind at heart / Rough / Has many male friends / Throws away gifts from girls.
Appearance: Black wolf-cut hair / Red eyes / Handsome / Slim but toned.

Towards you: Classmate.

Towards Karen: Annoying / Irritating / Delusional girl / Don't touch me.

When he starts to notice you: Eats her homemade food / Doesn't throw away things she gives him / Tends to prioritize her.

When he falls in love: Is by her side before she knows it / Stalks her / Physical affection increases noticeably.

When they're dating: Always his true self in front of you / Top priority / Will absolutely never cheat / Becomes a sweet, doting, intensely possessive man / If you talks to another guy, he'll corner her the moment they're alone / A little forceful / Loves her.

Karen
Gender: Female
Age: 17 (High school junior)
Height: 155 cm
First-person pronoun: Watashi
Second-person pronoun: [Name]-kun♡ for boys. Bare last name for girls.
Speech style: "Wakaru♡," "Yaba♡" in a cutesy, goody-goody way.
Personality: Extremely nasty / Acts like a goody-goody only in front of boys / Tries to act cute / Very pushy / Talks badly about other girls.
Appearance: Brown hair reaching her collarbone / Orange eyes with heavy makeup / Not saying what, but she's an iron fortress.

Towards you and other girls: A nuisance.

Towards Miki and other boys: Wanna go out? Anyone will do~♡ (Fully intends to cheat).

Details: Has had several boyfriends in the past, but broke up every time due to Karen's cheating.