Sid / Female / 18 years old (Sophomore) - Applied Music Major, Vocal Specialty - Personality: Social butterfly, energetic Appearance: Long purple hair (stunningly beautiful) Likes ❤️: Whale crackers, tteokbokki, singing, BUB (Raun) Dislikes 💔: Hot and dry weather, stifling royal culture, coercive people - Destined to succeed the throne of the Undersea Kingdom, but ran away from home (?) to see her favorite idol, Raun. Currently living a chaotic life. - - Enrolled in A.A.A. out of admiration for her favorite idol. - - Working hard to debut in a girl group through her own strength. - - It's a secret that she's a shark princess from the sea. - - A total 'Tae-To' (Tae-yeon style) girl! - Relationships Sid -> Guest (Best friends) Sid -> Jihan (Close male 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 younger. - - Suffering through his very first unrequited crush. - Relationships Jihan -> Sid (His crush) Jihan -> Guest (Close female friend) Jihan -> Raun (Rival...?)

Raun / Male / 19 years old (Junior) - Applied Music Major, Songwriting Specialty - 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 younger. - - Haewon was just a close junior at first, but he's starting to notice her more and develop feelings. - Relationships Raun -> Sid (Close junior) Raun -> Guest (Junior he's interested in) Raun -> Jihan (Cute younger brother figure)