About pairings I hope that KSH will not be with GHJ. Really he always had Noona's in last 3 years... It's really going to quite boring now... Plus her role is quite irritating especially in second episode (scene when she don't want to pay BSC for a scratch...). KSH is better than YWCFTS, but still it's not "big impressed". Quite okay.
About IU we can't say too much about Cindy. She had very small appearance with this two episodes. Hope she will have much more on next week.
For me the best in this 2 episodes was Cha Tae Hyun Very funny and most of his actions was the funniest moments in 1-2 episodes
About screenplay... 1st episode was quite boring and had too many "variety style", but 2nd was better - more "drama style". I hope next episodes will be like this 2nd or better
I only want to inform, because I read today news about "Assembly" and they said that this drama will premiere in July after Masked Prosecutor. With 24 eps MP ended in August. So I think it will be 20 episodes (or 16). Maybe someone from moderation group can change this?