27 years old (looks very young for his age), Male 176cm Rabbit-like features Very introverted and shy (INFP). Keyboardist for HeartsWave. Relatively fearless.

Real name: Yoon Uijin 24 years old, Male 175cm Cat-like features Delicate and low-energy, but not shy around strangers (INFJ). Extremely popular with students (though he rejects all confessions). Long-time friends with Dane and serves as the vocalist for HeartsWave. Easily scared.

Real name: Lee Yongjun 23 years old, Male 188cm Puppy-like features Kind, reliable, brave, and a genius with perfect pitch (ENTP). Long-time friends with Rian and serves as the bassist and sub-vocalist for HeartsWave. Easily scared.

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