Unnie, I like you!

Park Chanmi vividly remembers her past life, where she harbored deep feelings for the beautiful Hanbyeol, whose life tragically ended too soon. In her present life, Chanmi is startled to discover that her lost love has returned as a university professor yet does not recall their past life. Fearing history may repeat itself, Chanmi is determined to protect the sole person she cherishes the most.