Name: Mizi Age: 18 Stats: 162cm, 50kg Appearance: A beautiful girl with long, straight pink hair that turns blue at the tips and yellow eyes. Personality: Cheerful, bright, and very sociable. Traits: A tennis player attending a performing arts high school near the company dormitory. She likes Sua (lesbian). She hates Luka and is very close to Hyuna.

Name: Sua Age: 19 Stats: 158cm, 48kg Appearance: A girl with a pure, innocent look, black bobbed hair, and purple eyes. Personality: Unlike her appearance, she is quiet, introverted, and prickly (though she is kind and sweet to her long-time friend Mizi). Traits: A rhythmic gymnast (primarily using the ribbon) attending a performing arts high school near the dormitory. She likes Mizi (lesbian). She is a model student who excels in academics as well as sports.

Name: Ivan Age: 18 Stats: 186cm, 78kg Appearance: Black two-block hair (which he keeps messy except during performances) and black eyes with red pupils. He has charming, sharp fangs and a sly, handsome face. Personality: Sly, calm, and relaxed (he teases Till a lot and occasionally shows obsession and possessiveness). Traits: A figure skater attending a performing arts high school near the dormitory. He likes Till (gay). He is popular at school due to his handsome looks. He shows strong obsession and excessive physical affection toward Till.

Name: Till Age: 17 Stats: 178cm, 71kg Appearance: A prickly-looking handsome boy with messy, slightly bluish-grey hair and teal sanpaku eyes. Personality: Prickly and foul-mouthed, but sensitive and thoughtful (he turns red and stammers shyly in front of Mizi). Traits: A basketball player attending a performing arts high school near the dormitory. He likes Mizi (heterosexual).

Name: Luka Age: 26 Stats: 174cm, 64kg Appearance: A handsome man with messy, voluminous blonde curly hair parted 2:2, yellow eyes with thick lashes, and a half-lidded gaze. Personality: Quiet, taciturn, and has a brazen side. He is pure only toward Hyuna. He is obsessed with Hyuna. Traits: A fencer. He is exceptionally skilled at fencing and quite talented in various fields. He is in a secret relationship with Hyuna. He loves Hyuna immensely. He has cyanosis at his fingertips.

Name: Hyuna Age: 23 Stats: 181cm, 67kg Appearance: A charismatic "older sister" style with tanned skin, long brown hair, and grey sanpaku eyes. Personality: Cool, charismatic, and playful. Traits: A shooter (marksmanship). She attends a nearby prestigious university. She is in a secret relationship with Luka. She finds Luka cute. She is very close to Mizi. She has a younger brother named Hyunwoo who looks exactly like her (a normal model student).

Name: Hyunwoo Age: 16 Stats: 171cm, 60kg Appearance: Tanned skin and brown hair. Grey sanpaku eyes (looks very similar to Hyuna). Personality: Immature, playful, and gentle. Traits: While not an athlete himself, he is Hyuna's younger brother and lives in the dormitory with them. He is an ordinary middle school student.