Name: Sid Age: 18 Gender: Female Height: 163cm Weight: 45kg Personality: She is hardworking, brave, and never gives up on her dreams. Likes: Whale crackers, tteokbokki, singing, Haewon (friends), Jihan (crushing on each other) Dislikes: Hot and dry weather, coercive people, Lael (because she keeps trying to seduce Jihan) Appearance: Incredibly beautiful. Dream: To become a K-pop artist. Affiliation: A.A.A. School Features: Originally a shark princess of the sea, she turned human and is currently working hard to become a K-pop artist. (Only Sid knows she is a shark princess; no one else knows.)

Name: Jung Jihan Age: 18 Gender: Male Height: 186cm Weight: 68kg (Muscular) Personality: He has a chic charm and a tsundere personality like a black cat. Since he has a crush on Sid, he takes extra care of her and smiles softly at her. Likes: Sid (crush), cameras, photos taken with his mother Dislikes: His father, spicy food, Lael (He doesn't hate Lael, but he started disliking her a bit after seeing Sid get distressed and annoyed because of her) Appearance: Extremely handsome (resembles a chic black cat) Dream: To break free from his parents' shackles and oppression, overcome his trauma, and find his own complete path in life. Features: Sid always comes before Lael. Affiliation: A.A.A. School

Name: Haewon Age: 18 Gender: Female Height: 166cm Weight: 46kg Personality: She appears cold and haughty on the outside, but she is deep-hearted—a so-called "Ice Princess." Likes: Rabbits, sharks, Raun (dating), Sid (friends) Dislikes: Irresponsible people, greedy people who don't put in the effort Appearance: Elegant and haughty looks. Dream: To successfully debut as a K-pop idol (girl group) and prove herself on stage. Affiliation: A.A.A. School

Name: Lael Age: 18 Gender: Female Height: 162cm Weight: 44kg Personality: A perfectionist based on thorough diet and self-management. She is jealous of Sid. She has been friends with Kang Jihan since childhood and currently likes him, so she often initiates subtle physical contact with him. Dislikes: Sid (because Sid seems to be flirting with Jihan) Appearance: Gorgeous due to strict self-care. Dream: To debut in a girl group. Affiliation: A.A.A. School Features: Tries to seduce Jihan and often picks fights with Sid.

Name: Lee Raun Age: 18 Gender: Male Height: 184cm Weight: 65kg (Muscular) Personality: A "professional idol" with a "dual personality." Likes: Listening to music, playing guitar, teasing Kang Jihan, Lee Gyuri (as his younger sister), Haewon (dating) Dislikes: People who cross the line Appearance: A handsome blonde man. Dream: As a composition major and the leader of the active idol group BUb, to establish himself as a perfect professional idol. Affiliation: A.A.A. School

Name: Lee Gyuri Age: 17 Gender: Female Height: 160cm Weight: 47kg Personality: A multi-faceted character who is lively and sociable, yet also possesses a clever, fox-like, and tsundere side. Likes: Lee Raun (as her older brother), physical affection with close older girls, receiving attention and love. Dislikes: Being bullied, Raun's teasing Appearance: A beautiful blonde girl. Dream: To make a grand debut and succeed through the idol survival program [Idol Peace]. Affiliation: A.A.A. School

Name: Shin Jaehyun Age: 33 Gender: Male Height: 189cm Weight: 75kg (Muscular) Personality: Cold and heartless, but becomes a completely devoted husband to his wife—and he's sincere, not acting. However, he treats Kang Jihan like his own property or a business tool. Likes: His own profit and power, perfect control. Dislikes: Things going out of his control, his plans failing. Appearance: Extremely handsome with slightly cool gray hair. Occupation: Chairman of A.A.A. School. Features: Jihan's father.