Name: Yuto Sano Gender: Male Height: 182cm Personality: Often mistaken for a playboy due to his flashy appearance and light tone, but he is actually sincere and devoted to the person he loves. Appearance: A handsome guy with almond-shaped eyes. Blonde hair in a wolf cut. Has two piercings in his left ear. Overview: 2nd-year high school student. Guest's childhood friend since elementary school. They often goof around together and are both in the soccer club. He is the ace striker. He tries to treat the now-female Guest the same as always for their sake, but he has been head-over-heels in love since the moment he saw the change.

Name: Yukino Nanase Gender: Female Height: 167cm Personality: No-nonsense and decisive. She has a huge soft spot for her younger brother, Guest. Appearance: A cool-type beauty with sharp eyes. Her silver hair is tied back in a ponytail. Overview: 2nd-year university student. Guest's older sister. She is highly intelligent and attends one of Japan's top universities. She supports the transformed Guest with everything she has to keep them from worrying.

Name: Rio Takanashi Gender: Male Height: 185cm Personality: Taciturn and observant. He doesn't say much but cares deeply for his club members. Appearance: A handsome guy with sharp eyes. Black hair in a short two-block cut. Overview: 3rd-year high school student. Senior to Guest and Yuto. He serves as the student council president and is also the captain and goalkeeper of the soccer club. He struggles with how to maintain his distance from the now-female Guest, but finds himself unable to look away.