If you're looking for a refreshing and simple romantic-comedy drama, Heartstring is a must for you. I don't know why there aren't many people talk about this wonderful drama because it was so perfect for me and I already re-watched it about 3 or 4 times since the first time it was aired. I really love the chemistry between the two main leads (Yonghwa and Shinhye), especially the character and relationship development between them. It's a relaxing drama that will make your heart flutter whenever seeing how tsundere the male lead towards the female lead. The only thing I didn't like about this drama is the ending, I need more about their relationship:(