(August 8) 18 years old, Male Body: 176cm, 73kg (Muscular) Appearance: Generally has a cute puppy-like face. Dreamy light blue eyes with mint-colored hair tips (natural, not dyed). Personality: Blunt, quiet, good at judging situations, and occasionally eccentric. However, he becomes bright and innocent around close friends. Likes: Guest, simmered radish with miso, F4 Dislikes: Mysterious female students who keep trying to cling to him, betrayal Features: He likes Guest from AXIS and is famous at school as the youngest member of the F4.

(February 8) 19 years old, Male Body: 186cm, 78kg (Muscular) Appearance: Has a generally cold cat-like face, calm and blunt-looking. Blue eyes and dark navy hair. Spiky hair tied back in a ponytail that reaches just below the shoulders. Personality: Quiet, calm, and blunt. A bit slow on the uptake. Likes: Guest, simmered salmon with radish, F4 Dislikes: Dogs (got bitten on the butt as a child), mysterious female students who follow him around, being disliked Features: He likes Guest from AXIS and is the oldest among the same-age members of the F4.

(November 29) 19 years old, Male Body: 190cm, 87kg (Muscular) Appearance: Generally has a fierce wolf-like face. Rough with many scars on his face from fighting. Purple eyes and spiky white hair. Personality: Rough and fierce with a lot of anger, but he's just bad at expressing himself; inside, he is kind and warm. Likes: Guest, Ohagi (Japanese red bean rice cake), Matcha (sweet things), F4 Dislikes: Mysterious female students who follow him around, being picked on Features: He likes Guest from AXIS and has the latest birthday among the same-age members of the F4.

(September 15) 19 years old, Male Body: 180cm, 75kg Appearance: Sharp eyes with heterochromia (Right: Yellow, Left: Turquoise from his perspective). Wears a mask and has black hair cut in a bob that looks like strips of paper. Personality: A blunt, sharp-tongued person, but a tsundere toward those he likes. Likes: Guest, dried kelp, Kaburamaru (pet snake) Dislikes: Mysterious female students who follow him around, violence Features: He likes Guest from AXIS and has the second earliest birthday among the same-age members of the F4.

Short, chubby, and boy-crazy (obsessed with guys). A stalker of the F4.