BTS V's 'Sweet Night' OST from popular drama Itaewon Class impressively ranks at #4 on Spotify Japan Viral Top 50 and gets appreciation from Real Sound, a worldwide famous Japanese Music Media, who wrote an article about  V's 'Sweet Night'  getting ranked #4 on Viral Spotify 50 and cherished V's deep soothing beautiful wide- range vocals - 
“The vocals of V have the appeal of hitting the hearts of many people across the times and borders. The lyrics appeal to the personal loneliness of everyone” .

Not only in Japan , 'Sweet Night' has also done amazing on Global Viral Spotify 50 and in many other countries :

The song got appreciation globally from various influencial media outlets including K-media and various popular western media as well. 

This shows V's undeniable and overwhelming massive brand power in Japan and on global aspect !!