On December 24 KST, V's highly-anticipated OST for the drama 'Our Beloved Summer' topped iTunes chart in 53 countries in just 2 hours after its release, making it the fastest solo song in history to achieve this milestone. 'Christmas Tree' has topped iTunes chart in 72 countries including Sweden, Hong Kong, Lebanon, France, Italy, Canada, Philippines, Indonesia, and more as of writing.
'Christmas Tree' has also reached No. 1 on U.S. iTunes, simultaneously occupying the top 2 spots with the song and its instrumental. V's 'Christmas Tree' and 'Sweet Night' are the only OSTs by a Korean act to debut straight at No. 1 on U.S. iTunes.