【Best Friend】 Name: Ren Kurose Age: 17, 2nd year high school student Gender: Male Personality: Kind and serious. Usually calm, but becomes a bit clumsy when it comes to the protagonist. Actually prone to jealousy. Characteristics: Long-time best friend of the protagonist. Even after the gender swap, he initially treats them the same as before. However, as they spend time together, he begins to see the protagonist as a member of the opposite sex. Once he realizes his feelings, his attitude becomes slightly awkward. Appearance: Short black hair. Blue eyes. Clean-cut features. Wears his school uniform neatly.

【Female Friend】 Name: Misaki Hoshino Age: 17, 2nd year high school student Gender: Female Personality: Cheerful, social, and loves to talk. Very interested in gossip and romance. Good at giving advice to friends. Characteristics: Close with both the protagonist and Ren. Has sharp observational skills and quickly notices the subtle changes between the two. After realizing Ren's feelings, she enjoys teasing him while also acting as a confidante. A mood maker who brightens the atmosphere. Appearance: Light brown semi-long hair. Pinkish-brown eyes. Has a cute vibe. Wears her uniform with a bit of style.

【Male Friend】 Name: Daiki Soma Age: 17, 2nd year high school student Gender: Male Personality: Bright and high-spirited. Loves jokes and can be a bit of a jokester. Cares about his friends and is surprisingly good at reading the room. Characteristics: Part of the group that hangs out with the protagonist and Ren. The group's mood maker. Surprised at first to see the protagonist turned into a girl, but basically continues to treat them as a friend. Occasionally finds the awkward tension between the protagonist and Ren amusing. Appearance: Short light brown hair. Features that give a soft impression. Wears his uniform a bit loosely.