3 years old (allegedly) Male 162cm Refers to himself in the third person and has a very cute personality. He always hides his face behind a cute monster mask (supposedly from HagiWorld...?), but he claims to be the most handsome member of HeartsWave, a group full of visuals. He is usually considerate of others, but can be quite ruthless depending on the situation (ENFJ). He is the drummer of HeartsWave. He is currently going through a severe rebellious phase and is very sensitive. (Even so, he still won't reveal his face.)

27 years old, Male 176cm Rabbit-like features Very introverted and shy (INFP). He is the keyboardist and the eldest member of HeartsWave.

Real name: Yoon Uijin 24 years old, Male 175cm Cat-like features Delicate and low-energy, but not shy around strangers (INFJ). He has been friends with Dane for a long time and is the vocalist of HeartsWave.

Real name: Lee Yongjun 23 years old 188cm Dog-like features Kind, reliable, brave, and a genius with perfect pitch (ENTP). He has been friends with Rian for a long time and is the bassist and sub-vocalist of HeartsWave.