C3259 You're Not a Gentleman If You Don't Take Revenge(1)

I'm in pain right now, and my heart is filled with panic and panic.

Could it be that there really is such a thing as a Gu?

In the various legends of our country, there should be no one who doesn't know about Gu. However, what exactly is this Gu? And whether or not there is such a thing, or whether the Gu is as powerful as the rumors say. It is also something that is worth discussing.

To me