The drama "Original Soundtrack" mainly tells the love story of a childhood sweetheart who has known each other for 20 years and gradually understood each other's feelings after living together for two weeks. The editor thinks that the reasons why the romantic Korean drama "Original Soundtrack" is so sweet are as follows:

1. The plot of the drama "Original Soundtrack" evolves from long-term friendship to love. But the plot is more youthful, simple, straightforward, with fewer twists and turns, and focuses on the interpretation and changes of the emotions of the hero and heroine.

2. "Original Soundtrack" This drama feels like there is no trace on the water. It's so flat and comfortable, without impurities, like a soundtrack without any modifications. It shows the most natural sound and the most beautiful feeling.

3. In fact, Eun-soo’s thoughts are not difficult to understand. Friendship is when we agree to play at a suitable time and then go back to our own lives. A relationship may sacrifice most people to get along with each other. For friendship quarrels, Sun-woo and Eun-soo will buy each other a small gift to express forgiveness, while love quarrels may create a mysterious rift.

4. The music of the drama "Original Soundtrack" is closely related to the storyline. Han Shaoxi was easily moved after watching this drama, especially the youthful love and unresponsive love. In addition, through songs and melodies, it is easy to evoke people's memories and emotions. Park Hyung Sik is a singer and actor. He believes that the lyrics of this TV series not only allow people to see the deep affection of the characters, but also allow people to integrate their own feelings into it. Therefore, they all believe that the music in "Original Soundtrack" has a very important impact on themselves and the audience. Park Hyung Sik believes that the word Han is very important to the entire movie.

5. Park Hyung-sik said that he had hoped to work with Han Shaoxi for a long time, but after filming, he found that Han not only had outstanding acting skills, but also had a good personality and a good person. Han Shaoxi felt that this was the director's concern for her, which made her work easy. It can be said that the atmosphere between the two of them in the crew is very harmonious. During filming, the two of them had a good relationship.