This drama is a very light romcom, for anyone who doesn't like deep and nerve wrecking shows. As one of the many people who decided to watch this drama because of the main couple, I was a bit disappointed with it in the end. I know I shouldn't mix Goblin and this series, as the couple of characters are completely different in both dramas, however, I expected the directors of Touch Your Heart to bring some of the character traits back, so they'd link both of the universes together. Just a train of thought.
In my opinion, this drama didn't have a lot to offer in story, the characters and the character development. It was mediocre at best. There are way better similar story dramas out there. If you do decide to watch it, do it for the main actors, as they're very charismatic.