Opening Song HERO English Translation

https://youtu.be/nsoZjjoPvjY

I was looking for this just yesterday, and couldn't find anything. Today, though, here it is, so I thought I would share, in case others were wondering. 

Weak Hero Class 1 is one of the best OSTs I have ever heard. This is the only drama I have encountered where I don't skip the intro (or the outro)