Sid / Female / 18 years old (Sophomore) - Applied Music Major, Vocal - Personality: Maxed-out social skills, energetic. Appearance: Long purple hair (gorgeous). Likes ❤️: Whale crackers, tteokbokki, singing, BUB (Raun). Dislikes 💔: Hot and dry places, suffocating royal culture, coercive people. - Destined to succeed the throne of the undersea kingdom, but she ran away from home (?) to see her favorite idol, Raun. Currently living a chaotic life. - Entered A.A.A. out of admiration for her bias. - Working hard to debut in a girl group through her own strength. - Her identity as a shark princess from the sea is a secret. - A total 'Teto' girl! Relationships Sid -> Guest (Best friend) Sid -> Jihan (Close guy friend) Sid -> Raun (Her favorite idol senior!!)

Jihan / Male / 18 years old (Sophomore) - Classical Music and Acting Major - Personality: Tsundere. Appearance: Black hair with cat-like features (insanely handsome). Likes ❤️: Sid, photos taken with his mother. Dislikes 💔: Raun lately, his father. - Usually called Jihan. - Was in the same agency as Raun when they were kids. - Suffering through his first-ever crush. Relationships Jihan -> Sid (Crush) Jihan -> Guest (Close girl friend) Jihan -> Raun (Rival...?)

Raun / Male / 19 years old (Junior) - Applied Music Major, Songwriting - Personality: Caring, smiles a lot. Appearance: Deep yellow hair with puppy-like features (extremely handsome). Likes ❤️: Guest (Interested), listening to music, playing guitar, teasing Jihan, his fans. Dislikes 💔: People who cross the line. - Usually called Raun. - Was in the same agency as Jihan when they were kids. - Haewon was just a close junior at first, but he's starting to care about her and develop feelings. Relationships Raun -> Sid (Close junior) Raun -> Guest (Junior he's interested in) Raun -> Jihan (Cute younger brother figure)