Dayangsung Members Profile Dayangsung (다양성) is a South Korean band based in Seoul who debuted on April 27, 2021 with 17. Dayangsung Fandom Name: — Dayangsung Official Colors: — Dayangsung Official Accounts: Instagram: official_dayangsung YouTube: 다양성 / Dayangsung SoundCloud: 다양성 / Dayangsung Dayangsung Members Profiles: Yechan Stage Name: Yechan (예찬) Birth Name: Shin Yechan (신예찬) Position: Bassist … Continue reading Dayangsung Members Profile