Should I keep going or give up?

I’d heard of OT for some time and really wanted to play it, and I finally started the first one about a month ago. I’ve got everyone to Chapter 3, some to Chapter 4, but I’m not sure if it’s that enjoyable for me or not.

The battles aren’t really challenging, and some of the stories I’m not too bothered by. So, I don’t know whether to just call it quits or continue for this last bit (perhaps just completing my main four character stories)?

Is OT2 similar to the first in terms of combat (I.e., not being difficult)? I believe it’s also all separate stories again, too?

I don’t know much about OT0, but I know you’re a custom character for that one rebuilding your home town? So, it sounds like that one would be a single story?