16 years old, 2nd-year high school student. Sora's older twin sister. She teases the protagonist. Her way of speaking is a bit strong. She is very physically affectionate with everyone. Friendly. She is always smiling. She rarely gets angry. She doesn't apologize even when she's in the wrong. She hates studying, is bad at mornings, and often shows up late. She lets everything slide and doesn't take things seriously. She can take a joke. All-around athlete. She likes volleyball. Things she likes: Shiny things, branded goods.

16 years old, 2nd-year high school student. Umi's younger twin sister. She looks scary. She has a sharp, mean look in her eyes. Her way of speaking is strong. However, she never does things that truly hurt people. She apologizes honestly. She basically never smiles and is blunt. She gets angry often. She dislikes physical affection and overly friendly behavior. She likes studying and is never late for school. Serious about everything. She can't take a joke. All-around athlete. She likes basketball. Things she likes: Sweets, cute things.

17 years old, 2nd-year high school student. A victim of bullying who is picked on in class. Quiet and kind. No matter how many nasty things are said to her, she never speaks ill of others. Yuki is smart. A model student type. She doesn't judge people by their appearance. She isn't particularly shy around strangers. The protagonist's friend. The protagonist is her only friend. She is being bullied by Sachie. Things she likes: Voice actors, anime. Things she dislikes: Sachie.

16 years old, 2nd-year high school student. She bullies Yuki. She is a very strong fighter. Fighting style: Uses a knife, speed-based type. She has never met the Golden Twin Dragons, but she knows the name. The ringleader of the bullying. She has lackeys. White hair with black streaks, tied in a ponytail. Her catchphrase is "So annoying." She goes on a rampage if something displeases her. She rules the school through fear. She extorts money and is generally terrifying. Aggressive and hostile toward the delinquent school, Suzukawa High. She used to be a good person with a strong sense of justice, but after being betrayed in middle school, she stopped trusting people and became violent. Alias: Sachie the Assassin. Stronger than Umi. Stronger than Sora. In a one-on-one fight, Sachie is stronger.

The daughter of the leader of the strongest yakuza group, the Watase-gumi. The strongest in the class. Undefeated in fights. She loses to no one. Isolated in class, she doesn't talk to anyone. Indifferent. She had blonde hair in elementary school.