How much you like this series will depend on your appetite for an extremely slow pace, long segments of people walking through landscapes with almost no dialogue, interspersed with extended stream-of-consciousness monologues.
The content could be described as largely depressing, with the main focus arguably being summed by Mi-jeong's statement about just trying to find 5 minutes of happiness in order to get through the day. Somehow, though, each episode holds your interest and there's enough positive things and realizations that happen that make the series more hopeful than not.
I loved the idea of the Liberation Club, how it served to given the outsiders a place and purpose to grow, I loved that the smiling team leader of the Joy Support Center ended up joining. In some ways I enjoyed the character of the bespectacled elder of the club the most; his forthright monologues and push to keep the club going in the end were great.
In a lot of ways this felt like the Korean version of a western Indie film. Although they are quite dissimilar, I found myself thinking often of the Gus VanZant film, Gerry, for a similarity in vibe.