On May 17. The biggest music site in China, QQ Music provides 'GOLD' certification for HAPPY because it managed to sell ¥250.000.

Recently the song 'HAPPY' entered the Billboard charts 'World Digital Song' ranked 9th. Taeyeon will also be the cover for the June issue of the 1st LOOK magazine Vol.196, buy here!

Congratulations to Taeyeon!