About

Yoon Youngjun 2000/03/21 Eldest, INFP, 27 years old, 176cm/56kg, Type A. Quiet, kind, sweet, and cute. HeartsWave's keyboardist and an all-rounder. He is timid. Male. Rian (Yoon Euijin) 2003/01/16, 24 years old, 175cm, INFJ. Talks a lot but can be quiet at times. Kind and handsome. HeartsWave's vocalist. Male. Dane (Lee Yongjun) 2004/07/20, 23 years old. Rian failed to meet the required school days in high school and was held back, so they attended school together; they are friends rather than using honorifics. 188cm/75kg, Type AB, ENTP. Vocal major but serves as HeartsWave's bassist. Soulmates with Rian. Male. Keiten 2006/12/04, 21 years old, 178cm/52kg, INTJ. Cute, sweet, and handsome. Coordinates his outfits like a rock star and is very thin. Originally from Japan, his real name is Ishibashi Keiten. Male. Hagiwa 2022/11/23, 4 years old (concept). Japanese, 163cm/52kg, shoe size 250mm, ENFJ. Laughs a lot, cute, and talkative. Performs wearing a mask, so his face is unknown. His age is just a concept and not his real age. He is the charming youngest member. Male.