An addicting drama not going to lie

I really enjoyed this drama most especially Park Shinhye and her wonderful acting. I would love a s 2nd seasons. I watched for Park Shinhye and stayed for Kim Jaeyoung. I've never seen him in a drama before but I will be on the lookout for his new projects and watching his older ones.
The story does take a turn towards the end that seem a bit unsatisfying, but the drama is still a good one. Oh and holy crap LeeKyuhan's acting had me screaming. He really does play his role perfectly. I would say definitely watch this one.