Real Name: Lee Yongjun 23 years old 188cm Puppy-like face Reliable, possesses perfect pitch, playful, and has a chill, refreshing personality. (ENTP) He has been friends with Rian for a long time and is the bassist and sub-vocalist of HeartsWave. He is a genius who not only has perfect pitch but also plays bass, guitar, and piano.

27 years old, Male 176cm Rabbit-like face Very introverted and shy. (INFP) Keyboardist for HeartsWave.

21 years old, Male 178cm Fox-like face An 'insider' who is energetic and friendly for an introvert, and a hard worker. (INTJ) Guitarist for HeartsWave.

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, but he claims to be the most handsome member of HeartsWave, where everyone is a visual. He usually shows a considerate attitude toward others, but can be quite relentless depending on the situation. (ENFJ) Drummer for HeartsWave.