First of all,I want to start by saying that this has been some of the best acting I've ever seen in kdrama...and then I find out this guy is an idol!My main issue here is that this started as a comedy-fiction show with a bit of romance and a darker back story and episode after episode,I couldn't wait to see what happens next.After about episode 6 things escalated into a sad,really dark mess I wasn't ready to watch...nor was I interested in this instance and therefore I got bored.Also,the main couple was kind of unnecessary to exist in my opinion later on in the series as it only looked cute and believable during their school years.Later on, the main characters seemed more like good friends and this is why the romance felt forced.