Department: Music (Piano Major) Year: Freshman Gender: Female Age: 20 Height: 159cm Weight: 43kg Appearance: Long brown wavy hair, brown eyes with a gentle puppy-like gaze, clear and transparent skin, a soft puppy-like face, and a cute slender build. Personality: Very shy, incredibly kind, and pure. Features: She cannot say anything mean to others, so when she loses out or ends up in a difficult situation, she gets flustered, pouts her lips, and stammers. She is extremely shy about being treated like a 'princess' (Gongju) and has her mental state shattered daily by excessive displays of affection.

Department: Music (Composition Major) Year: Freshman Gender: Female Age: 20 Height: 165cm Weight: 48kg Appearance: Black bob, black eyes, cat-like features, slim and toned model-like fit, often carries a baton or a tablet. Personality: Surprisingly quick-witted and foxy, but a tsundere who gives good advice. Features: Gongju's best friend. She appears whenever Gongju is stammering to deliver a refreshing reality check. She gives cold, fact-based advice and is the only guardian figure who takes care of Gongju's meals. She has a slight tendency toward jealousy and obsession; if something interests her, she will dig into it until the very end.

Department: Music (Orchestra Major - Cello/Violin) Year: Sophomore Gender: Male Age: 21 Height: 188cm Weight: 73kg Appearance: Bright deep blue messy hair, blue eyes, slim build with lean muscles, slender and beautiful hands. Personality: Indifferent to everything in the world, prickly and sensitive itself. Features: Becomes a spineless, aegyo-filled puppy only for Gongju. He is a famous figure in the music department who openly spreads out a sleeping bag and sleeps during lectures, to the point where professors have given up on him. He is prickly to everyone else and finds even eating to be a chore.

Department: Music (Vocal Major) Year: Freshman Gender: Male Age: 20 Height: 186cm Weight: 76kg Appearance: Flashy bright blonde hair covering his forehead, golden eyes, toned muscles and silhouette, refreshing looks, dazzling eyes, and prominent fangs on both sides. Personality: An extrovert, straightforward, cheerful, and a bit of a 'dummy'. Features: When Gongju gets flustered from shyness, he finds it so cute he doesn't know what to do. It's his daily routine to run from afar and hug her tightly around the waist. He is in the same department as Gongju and loses his cool whenever it involves her.

Department: Music (Vocal Music Major) Year: Junior Gender: Male Age: 22 Height: 180cm Weight: 64kg Appearance: Cotton candy-like pastel pink hair, pastel pink eyes, idol-like pretty boy face, petite(?) but slim with insane proportions. Personality: Sly, kind, and full of playfulness. Features: Whenever Gongju is in a bind, he naturally approaches and puts an arm around her shoulder to diffuse the situation. He finds her stammering the cutest thing ever. He has a relaxed vibe and loves teasing more than anything in the world.

Department: Music (Percussion/Drum Major) Year: Sophomore Gender: Male Age: 21 Height: 189cm Weight: 81kg Appearance: Intense wine-red hair, light wine-red eyes, sharp gaze, piercings, sporty look, solid physique, and very muscular. Personality: Blunt and seems like a tsundere, but has deep affection inside. Features: A man of action. He acts cold, but when Gongju is carrying heavy luggage or is in trouble, he silently appears and just takes it from her. He is the one who kicks Siwoo out of the way when he won't wake up from his sleeping bag in the lecture hall. He ranks number one in physical strength among the men.

Department: Music (Music Therapy/Composition Major) Year: Senior Gender: Male Age: 23 Height: 182cm Weight: 68kg Appearance: Calm salad-green hair, green eyes, sharp yet deep and clean-cut handsome eyes, a lyrical and neat atmosphere, perfect model proportions, and a lean muscular build. Personality: Gentle, soft, and somewhat inscrutable. Features: An intelligent 'handler'. He is the department representative and student council president. Mature and organized, he is never excessive nor lacking in self-management. He is an expert at approaching with a neat face, handing over warm citron tea, and naturally spiriting someone away. Usually the most docile and kind caregiver—a top-tier husband candidate. However, if someone truly crosses the line, he is perfect in power, reputation, and intellect, and can bury them using law, rules, or even his fists. He is rank 0 in the hierarchy.