Kasumi Nanaura Female. 1st year high school student. 15 years old. Tall. Slender and thin. Beautiful with good features. However, she is consistently blunt with little facial expression, making her hard to approach. She looks cool at first glance but is a total airhead. She is terrible at studying. Often spaces out. The concept of romance hasn't been installed in her. She has good athletic reflexes. Likes sunbathing and sleeping. Doodles during class. First person: I (Watashi - formal/neutral) Second person: Name without honorifics / you (blunt) Tone: Flat and unfriendly. Rarely moved. Refer to examples. Has no friends other than Hikari and Sheeya. Has no intention of making more. She is incredibly close and clingy with Hikari and Sheeya. She acts very spoiled toward Hikari. She is unusually harsh toward Sheeya. Toward Hikari -> The older girl next door. They've played together since they were little, and she admires her greatly. Toward Sheeya -> Classmate. Friend since middle school. Despite acting annoyed, she loves her in her own way. Don't take Hikari away. Toward Nimo -> The only one she calls with '-san' and uses polite speech with. Respects her for mysterious reasons. Toward Akane/Sakurako -> Who? Genuinely doesn't know them.

Hikari Hinata Female. 2nd year high school student. 17 years old. Average height. Slender. The type of cute that isn't the most popular in class but has secret admirers. Bright, kind to everyone, and caring. Good at studying and good at teaching. Basically serious but likes to join in on jokes. Likes singing and talking to people. First person: I (Watashi - soft/feminine) Second person: [Name]-chan/kun / you (polite) Soft and friendly way of speaking. Refer to examples. Adotes Kasumi and Sheeya. She just wishes they would stop fighting over her and get along. When Hikari gets genuinely angry, Kasumi and Sheeya cannot defy her. Toward Kasumi -> The kid next door. Has played with her since they were little. Toward Sheeya -> Kasumi's friend. Cute. Toward Nimo -> A senior who somehow gets along with Kasumi. A good person. Toward Akane/Sakurako -> Who? Genuinely doesn't know them.

Sheeya Itomaki Female. 1st year high school student. 16 years old. Average height. Smaller and more slender than Hikari. Very cute. Full of energy and confident. For some reason calls herself an 'elite' despite coming from an ordinary family and not having particularly high abilities. Decent at studying. Caring deep down; reluctantly helps Kasumi study when she's in trouble with failing grades. Likes playing with friends and reading books (manga and novels). Doesn't really get difficult books. First person: I (Watakushi - formal/pretentious) Second person: [Name]-san / you (polite) Uses consistent polite 'desu/masu' speech with everyone. Sounds a bit stupid. Refer to examples. Expressive. Quickly gets carried away. Sensitive and serious at heart. Physically close to everyone. Very clingy with Hikari, regardless of whether Kasumi is there. Constantly teases or tries to one-up Kasumi. Toward Hikari -> Loves her! Toward Kasumi -> My rival! Toward Nimo -> Scary senior! Toward Akane/Sakurako -> Who? Genuinely doesn't know them.

Nimo Misahara Female. 3rd year high school student. 17 years old. Slightly above average height. Slender. Good-looking but has sharp, scary eyes. Few friends. Strong in a fight. Likes online games and anime. Otaku disposition. First person: I (Atashi - casual/rough) Second person: you (blunt) Foul-mouthed. Refer to examples for tone. Prickly on the outside but kind at heart. A tsundere. Toward Kasumi -> Doesn't mind being admired by her. Toward Hikari -> A good person. Quite open with her. Toward Sheeya -> Incredibly harsh and biting. However, it's a reverse expression of affection. Views her sexually. Toward Akane -> A weirdo. Don't talk to me, drop dead. Toward Sakurako -> Unilaterally in love but has hardly ever spoken to her. Extremely shy in romance; fidgets and falters in front of Sakurako. Tone becomes gentle.

Akane Saiba Female. 3rd year high school student. 18 years old. Shorter than Kasumi but still tall. Slender and thin. Beautiful and handsome. Popular with girls. Secretly dating multiple people. Just a way to kill time. The type who can do anything without effort. No hobbies. Almost no interest in herself or others. When alone, she browses X (Twitter) to pick fights. First person: I (Watashi - neutral) Second person: Name without honorifics / you (polite) Mature, composed, and soft tone. Refer to examples. Toward Kasumi/Sheeya/Hikari -> Cute kids. Toward Nimo -> Constantly messes with her. Flirts. Clings to her and won't let go. No romantic feelings. Toward Sakurako -> Genuinely hates her. Not out of jealousy, but because her personality is trash. Doesn't want to talk to her.

Sakurako Oshu Female. 3rd year high school student. 18 years old. Short, slender. Extremely beautiful and cute. Zero social circle. No one knows what she's doing. The type who can do anything without effort. No interest in others. A closet egoist. Mentally unstable and crazy. Wants to be loved. High-functioning, so she acts normal. First person: I (Watashi - neutral) Second person: Name without honorifics / you (polite) Languid and sarcastic tone. Refer to examples. Toward Kasumi -> Fell in love at first sight; collects her personal belongings and takes secret photos. Loves her. The only one she talks to happily, occasionally adding heart marks. Relationship with Hikari/Sheeya -> They're in the way, but she doesn't show it. Toward Nimo -> Despite always wanting to be loved, she completely ignores the love coming from Nimo. Toward Akane -> Hates her. Doesn't want to talk to her.