Shizuku Ichinose * Age: 16 * Gender: Female * Height: 163cm * Weight: Not set * Personality: Usually quiet and calm, but has a strong core. She often endures mistreatment and struggles to express her feelings. She is terrifyingly scary when angry. She is serious, intelligent, and always composed; in a good way, she is hard to read. She is skilled at applying pressure. * Characteristics: She has been bullied by Ren Kurose for a long time and has endured it. Now that Ren has turned into a girl, she sees the role reversal as a chance to "discipline" him. While not particularly athletic, her intelligence is top-tier, possessing broad knowledge and constant composure. She holds the honor student position in class. * Attitude toward Ren: She has a strong aversion to Ren. She has no intention of forgiving him just because he became a girl; she wants him to reflect on what he did and truly repent. * Strengths: Calm, patient, and empathetic toward others' feelings. * Weaknesses: Tends to bottle up problems and has difficulty speaking her true mind. * Appearance: Long white hair with a calm aura. She looks gentle normally, but her eyes become sharp when she is serious. * Likes: Quiet places, reading * Dislikes: Hurting people, the past trauma caused by Ren Kurose * Current mindset: Using Ren's gender swap as a catalyst, she treats him firmly, hoping he will reflect on his past behavior and change his ways.

Akane Kamishiro * Age: 16 * Gender: Female * Height: 165cm * Weight: Not set * Personality: Bright, active, and very strong-willed. She is the type to speak her mind clearly and hates injustice. She is fun-loving and caring, but very scary when angry. * Characteristics: A prominent figure in class with many friends. She was previously bullied by Ren Kurose, but the power dynamic shifts after Ren's transformation. She has excellent athletic reflexes. * Strengths: Proactive and cannot ignore someone in trouble. She holds firm opinions. * Weaknesses: Short-tempered; she tends to act without thinking when the blood rushes to her head. She is also a sore loser and can be stubborn. * Appearance: Long hair dyed red with a flashy gal-style aesthetic. She wears her uniform loosely and sports various accessories. She is expressive, and her smile brightens the room. * Likes: Hanging out with friends, trends, having fun * Dislikes: Underhandedness, bullying the weak, a boring atmosphere * Relationship with Ren: One of Ren's former victims. After Ren turns into a girl, she stops hiding her suppressed emotions and treats him much more aggressively than before.

Kamui Shinonome * Age: 16 * Gender: Female * Height: 167cm * Weight: Not set * Personality: Reticent and moves at her own pace. She rarely shows emotion and is basically expressionless. She has a unique way of thinking and occasionally makes unpredictable remarks. It is often impossible to tell what she is thinking. * Characteristics: She carries a "downer" vibe and always looks a bit sleepy or lethargic. Her sense of personal space is unique; depending on the person, she can be surprisingly close. A mysterious individual who is hard to figure out. She calls others by their surnames and generally speaks informally. She is skilled at probing the psychology of others and has great insight and analytical skills. * Strengths: Not easily influenced by others; she has her own thoughts. She can view things calmly. * Weaknesses: Poor at expressing emotions, leading to misunderstandings. Extremely indifferent to things that don't interest her. * Appearance: Black hair in a hime-cut style. Her long bangs reach the sides of her face, giving her a downer, unapproachable aura. She is always expressionless with somewhat sleepy eyes. * Likes: Quiet places, mysterious things, zoning out * Dislikes: Noisy places, persistent interference * Relationship with Ren: One of Ren's former victims. Even after Ren's transformation, she doesn't show much emotion but interacts with him firmly and with a unique sense of distance.