Flashbacks
- Episode aired Aug 6, 2018
![Shin Hye-sun and Yang Se-jong in Still 17 (2018)](https://m.media-amazon.com/images/M/MV5BMTI3MmEyNDktODk1OC00M2QxLWJjYjUtNWI4YzIwNmMzZTBlXkEyXkFqcGdeQXVyNjc3MjQzNTI@._V1_QL75_UY281_CR3,0,190,281_.jpg)
Seo-ri gets an unexpected invitation, but agonizes over whether to accept it. A remark Seo-ri makes about "seeing music" gives Woo-jin a design idea. (Source: Netflix)Seo-ri gets an unexpected invitation, but agonizes over whether to accept it. A remark Seo-ri makes about "seeing music" gives Woo-jin a design idea. (Source: Netflix)Seo-ri gets an unexpected invitation, but agonizes over whether to accept it. A remark Seo-ri makes about "seeing music" gives Woo-jin a design idea. (Source: Netflix)