now I'm wondering, do I need to watch the first part before this one?
No, there's no need, because the first season only was about each couple in every 8 episodes. So it's up to you if you want to watch previous couples; the plots only focus on each couple.
If she had “no talent” she wouldn’t be where she is.
How can they have no talent and still become idols or actors? It’s not like just anyone can walk in and get picked. So they will take anyone no need to had any talented.
Yeah, sorry, I gave it 2 eps, this is not for me. I like the eye candy as much as the next person, but there is…
That’s totally fair, not every drama works for everyone. I actually enjoyed it more than you did, but I get where you’re coming from. Hope you find something you like better!