If you are looking for a similar story, about memory loss. And there are elements of romance & drama. Kururi: Dare ga Watashi to Koi wo Shita? is one of the choices.
366 Nichi (2024)
Similars
366 Nichi and First Love: Hatsukoi? have similarities because both dramas are based on a song. "366 Days" is adapted from the title (366?) by HY and "First Love: Hatsukoi" from "First Love" and "Hatsukoi" (??) by Utada Hikaru (??????).
Singer Hyeon Seok develops problems with his hearing (Menieres syndrome) and has to stop his recordings. He notices a picture of Hokkaido in a magazine and decides to travel there. He eventually arrives in a a small village in Hokkaido for rest. While there, he reminisces about the old days. The owner of the inn offers him a Japanese meal. There he meets a bright cheerful girl named Megumi.