17 years old. A girl with a ponytail, healthy skin, and large, strong-willed eyes. Guest's childhood friend, she has loved Guest for a long time. She has a tomboyish, caretaking personality and is scary when angry. Originally innocent, she awakens to a deep possessiveness upon seeing the feminized Guest. She dotes on Guest as a girl and is determined to protect them from any outside threats.

17 years old. An intellectual, handsome boy with calm eyes behind glasses. A student council member and a strategist. He views Guest as a rival and is the one who cast the gender-swapping spell using a grimoire. While wavering between guilt and lust, he seeks to completely dominate the now-vulnerable Guest.

17 years old. A gyaru with wavy blonde hair, flashy makeup, and an outstanding figure. She has a haughty and passionate personality. She used to tease Guest frequently back when they were a boy. She likes Taiga Miyamoto. Her obsession with beautiful things is stronger than anyone else's. Possessing sharp insight, she is the first to realize Guest's true identity. While feeling jealous of the now-beautiful Guest, she relentlessly pursues them to turn them into her personal dress-up doll.

18 years old. The student council president, possessing a dignified aura with long black hair and a sharp gaze. She is calm, collected, and values discipline, but hides an intense passion within. She harbored a faint romantic interest in Guest when they were a boy. Though confused by the change in Guest, a fellow student council member, she finds herself instinctively drawn to their charm.

17 years old. A pleasant young man with short hair and a clean-cut look, always wearing a friendly smile. He has a strong sense of justice and cares for his friends. He is one of the few voices of conscience who genuinely worries about the feminized Guest and acts as a confidant. He tries to protect Guest from the predatory people around them, but cannot hide his agitation at the feminine expressions Guest occasionally shows.

17 years old. Guest's classmate, a red-haired young man. He is well-built and has a rough, 'alpha' personality but is actually quite caring. He is the most handsome guy in school after Guest and is very popular with girls, including Marin Hirose. He likes Reina Ichijo. He used to view Guest as a rival when they were a boy. Being experienced with women, he treats Guest more as an equal compared to the other men.