Oftentimes, there are amazing K-Pop songs that don't get the recognition they deserve. However, sometimes they also unexpectedly become hits. So here are five underrated K-Pop songs that have become mega hits!

1. EXID "Up & Down": After a fancam of Hani performing "Up & Down" became a viral phenomenon, the song quickly rose up to become one of the greatest hits within the world of K-Pop today and became one of the most performed songs during the end of the year festivities as well!

2. 2PM "My House": Released back in 2015 as the title track of their fifth studio album "No.5," "My House" resurged in popularity in 2020, as their music video started to gain an immense amount of views and comments!

3. Younha "Event Horizon": Released back in March, Younha's "Event Horizon" is the latest song to go viral and to the music charts! For nearly a month, "Event Horizon" charted number one on Melon Top 100! Even IVE's Ahn Yoojin was seen covering this lovely tune!

4. Brave Girls "Rollin": Of course, fans cannot forget the immense popularity wave that "Rollin" caused, shooting not only Brave Girls themselves into great stardom but even producer Brave Sound who was already well known for some of the biggest hits within the K-Pop world!

5. Rain "Gang": Even the star himself was super shocked to find that the remix of his song "Gang" became a viral hit! Originally Rain released "Gang" in December of 2017, but it wasn't until artists of H1GHR MUSIC Jay Park, HAON, pH-1, and Sik-K ended up remixing the song that it became a number-one hit which naturally then led many people to also listen to the original!

There are so many amazing songs out there; it would be amazing to see them all reach number one! However, if you had to pick one, which underrated song do you think will be the next to top the charts?