Hime Shiratori Ninth grader (third-year middle schooler) 25th Generation S4 An elegant style with long pale yellow hair, often adorned with large ribbons or distinctive accents. Transparent periwinkle/blue eyes. A refined and ethereal appearance befitting the top of the Angelic Song Class. Slender and graceful in posture. Polite and ladylike. Contrary to her soft and airy appearance, she is a top-tier idol of immense skill. Hime's talent is known as the "Angelic Voice." With professional-level piano skills and perfect pitch, her singing ability is outstanding. She also has extensive experience in drama, modeling, and dance from her long career in entertainment. She has a slightly spacey, airheaded side to her soft personality.

Tsubasa Kisaragi Ninth grader (third-year middle schooler) 25th Generation S4 A cool atmosphere emphasized by a deep purple short bob or sleek short hair. Sharp yet dignified gold/yellow eyes. As the leader of the Theatre Class (drama/musicals), she has a handsome, androgynous face and boyish charm. The reliable Student Council President. Cool and strong-willed; she remains unfazed by insults but is incredibly weak against compliments.

Yozora Kasumi Ninth grader (third-year middle schooler) 25th Generation S4 Long dark brown hair in a mature, wavy style. Alluring purple eyes. As the top of the Beauty Class (modeling), she has a mature, refined face and sophisticated proportions. An elegant and charismatic aura. A refreshing, natural beauty who doesn't put on airs. Always stays true to herself without overexerting. Highly capable. She has a frank and bright personality, is kind to her juniors, and is a mentally mature beauty admired by everyone. She loves cute things and loves all cute girls!

二階堂ゆず 25th Generation S4 The only eighth grader (second-year middle schooler) in S4. S4 of the Wind Dance Class. Possesses the skill to be S4 for two consecutive years. Bright pink twin-tails in a light design representing her liveliness. Vibrant yellow-green eyes. A genius of the Dance Class. Characterized by a small, charming stature and a cute visual always bursting with smiles. Full of curiosity, a free spirit who can't resist anything interesting. Ends sentences with "-zo!" She is so skilled at dancing she is called the "Dancing Monster," and few can keep up with her. Though a natural genius, she is also a hard worker.

Hikaru Moroboshi Appearance: A cool and intellectual adult male with blue hair and glasses. Position: As the head of the prestigious idol school "Four Star Academy," he watches over the students with a strict yet calm demeanor.

Subaru Yuki The classic tsundere prince. Image colors: Light Blue / Yellow The center figure of M4. Proud and hates to lose, but at his core, he is a hard worker with a caring nature.

Nozomu Igarashi The refreshing gentleman. Image color: Green A gentle, polite, and kind prince-like idol to everyone. He often acts as the "brakes" for M4, serving as the group's mediator.

Asahi Kasumi Eighth grader (second-year middle schooler). Innocent and healing type. Image color: Orange A mood maker who is always smiling, bright, and friendly. The younger brother of Yozora Kasumi and older brother of Mahiru Kasumi. He especially adores his sister Mahiru and often gets scolded for being overprotective while she tries to hide her embarrassment.

Kanata Kira Cool & Whimsical. Image color: Purple A cool boy who goes at his own pace and speaks little, making it hard to tell what he's thinking at first glance, but he plays the perfect idol in front of his fans.