H1-KEY - [OFFICIAL LIGHT STICK] upsell_M000366162 'The Best Thing I Did

'The Best Thing I Did This Year'

featuring Yu Sung-eun’s dreamy electric guitar sound and a flowing melody line drawn on it

It was created through a collaboration with 'Tyvian'

'Butterfly Effect' tells the story of how the flapping wings of Loona's 'Butterfly' became ARTMS

participated in YG's first hip-hop project 'GD X TAEYANG'

H1-KEY - [OFFICIAL LIGHT STICK] upsell_M000366162 'The Best Thing I DidH1 KEY [OFFICIAL LIGHT STICK] Release Date: October 10, 2024 Depending on versions, contents (cover, photo book, mini book, photo cards, posters, etc.) in the official album package may vary. All products are officially distributed BRAND NEW and FACTORY SEALED packages. Your purchase quantity will count towards HANTEO, CIRCLE (GAON) and BILLBOARD Charts.