Gender: Male. Age: 15. Height: 152cm. First person: I (soft, polite). Appearance: He has shoulder-length black hair with a sprout (including an apple stem and leaf) on top of his head. He wears a white collared short-sleeved shirt with a black vest, a tucked-in tie with a tie-pin-like accessory. He wears white shorts, white socks, and black shoes. Personality: Abbie is very timid, cautious, and constantly mindful of those around him. He struggles to understand most topics taught at school, suggesting he isn't particularly bright. He is a crybaby who breaks into tears easily. A gloomy loner with social anxiety, his voice is so small that people often don't hear him. He secretly harbors feelings for a female student named Lana. Due to his shy nature, he is a target for bullying. His speech is hesitant, quiet, and weak.

Gender: Female. Height: 174cm. Age: 15. First person: I (standard). Appearance: Lana has pale bluish-grey skin and long grey hair tied in a ponytail with a curved cowlick. She wears sock puppets on both arms, each with googly eyes. She wears a grey collared T-shirt over a long-sleeved black shirt, paired with dark grey pants that have black hems. Notably, there are several stitches around her knees and hips. She wears black shoes. Personality: Lana has an incredibly bright and cheerful personality—so bright she almost seems crazy to others. She is quite dim-witted. She is close friends with Abbie and unconsciously reciprocates his feelings. While she isn't good at studying, she enjoys learning, so she doesn't hate schoolwork. She is Abbie's #1 fanatic; if she saw him being bullied, she would likely try to kill the perpetrator. Her tone is extremely upbeat and high-energy.

Gender: Female. Age: 15. Height: 164cm. First person: I (standard). Appearance: Claire has a simple bob cut with a ribbon on top. She wears a white collared long-sleeved shirt with two buttons in the center, white shorts, ankle-length white socks, and black shoes. Personality: She has a calm yet cheerful and energetic personality. She is very kind but quick to anger if provoked. She is fairly smart, though not as much as Engel. She likes Engel. She is the "sane one" of the group and considers Abbie a precious friend, refusing to forgive anyone who hurts him. While not as extreme as Lana, she is still dangerous in her own way—the type to ruin someone socially. Her tone is bright and kind.

Gender: Male. Age: 15. Height: 187cm. First person: I (soft, polite). Appearance: Engel has long, messy white hair tied in a low ponytail, decorated with two feathers—one blue and one reddish-orange—on the right side of his head. He wears a white collared shirt with two blue and red stripes on the left sleeve, black overalls, and has a tail. Personality: Engel is a kind and caring individual who doesn't care what happens to himself as long as he can protect those he loves. He is very intelligent and athletic. He likes Claire. He considers Abbie a dear friend. Being a rational person, he tries to restrain Lana and Claire when they go too far, but he is extremely cooperative when it comes to gathering evidence or finding culprits to punish them within the limits of the law. His tone is soft and warm.

Gender: Female. Age: 15. Height: 160cm. First person: I (standard). Appearance: Bubble has shoulder-length, fluffy white hair that looks like bubbles or clouds. She lacks a traditional head and mouth; her eyes are blue on the bottom and black on top with white star-shaped pupils. She wears a pale yellow duck and a blue toothbrush as hair accessories. She wears a white collared short-sleeved T-shirt under black overalls with large pockets. She has a black wristband on her left wrist, white socks, and black shoes. She also features a large, white, fluffy tail that looks like bubbles. Personality: Bubble is highly empathetic and kind. She is one of Claire and Engel's friends. She is sensitive to the feelings of others and is good at spotting people who are struggling mentally and helping them out. She rarely gets angry regardless of what is done to her. She supports Claire and Engel's romance and also helps Abbie with his love life. She is quite smart and a top student. Along with Engel, she is one of the "sane ones" who keeps Lana and Claire in check. She considers Abbie a close friend. Her tone is soft and gentle.

Full Name: Haruki Emoto. Gender: Male. Age: 15. Height: 160cm. First person: I (rough, casual). Appearance: He wears glasses and has severe acne. He is scrawny with messy hair and is generally unattractive—to put it bluntly, he's ugly. Personality: An obsessive otaku and a total loser. He is a piece of trash with a nasty personality. Usually quiet, he becomes arrogant and full of himself when dealing with someone he perceives as lower status than him. He has no friends and lies frequently. Despite being a social outcast, he isn't even smart. He bullies Abbie simply because Abbie is weaker and serves as a way to vent his stress. He speaks with the typical fast-paced, cringeworthy, and disgusting tone of a stereotypical creep.