'Christmas Tree' By V is still a hot topic. While being an unpromoted OST, that didn't stop the song from breaking and making new records each day.

In Just 18 days, 'Christmas Tree' surpassed 20 million streams on Spotify, making it "The fastest Solo Song by a Korean male soloist" to achieve this milestone.

'Christmas Tree' is also "The fastest OST by a Korean act" to achieve this.

The massive success of V's OST is making an impact not only on the drama but on other OSTs. Korean media wrote about how people started giving more attention to OSTs after the success and the huge buzz created by Taehyung's OSTs.

In an analysis of 'Our Beloved Summer's increasing popularity, K-media attributed the growing popularity of the drama to V also gave him credit for the other OSTs of the drama entering the Korean charts. 

V is named OST King for the huge success that his songs get both on domestic charts and on worldwide chats as well.