官网 http://taeyeon.smtown.com/
YouTube https://youtu.be/s67p8vBJW-s
Vlive https://www.vlive.tv/video/179025
NAVERTV https://tv.naver.com/v/12741337
预告照
http://socdn.smtown.com/upload/starhome/layout/taeyeon/ver13/030700/m_bg.png
Vlive Happy_TAEYEON_Day♥ 2020.03.09. 7PM (KST)
https://www.vlive.tv/video/178494
数位单曲《Happy》 2020.03.09. 6PM (KST) 公开