well, this series have been in my list for a long time and I just finish watching this.
People say this series is really sad and may change our view about life.
Honestly, the first episodes was great and make me almost cry.

I start to lose all my emotions when the father die and uncle come along. Not being sad, I feel madness from the whole series. How the uncle act like, whatever he like, and how Geu-Ru keep patient about it.
Also, I think this series will be great if they not put a lot of ring fighting scene.
I kinda like the case that move to heaven do.
Their job and every story behind it, its amazing.

I lose intererst because the fight scene and the ending. The girl come and request the cleaning for herself. is this suicide plan ?
I also think its would be nice if they spill how Geu-Ru father come with the idea to create move to heaven after resign as a fire fighter.

So, if they say this is a sad series. I dont think sooo.