9. My Little Happiness - in my opinion, this has not only some of the best kisses (comparable to Love is Sweet mentioned above already) in terms of quantity but also quality. ML also mentioned in an interview that their wedding scene felt so real that if he ever gets married in real life, that will feel like a second wedding.
8. Lost You Forever (unfortunately can’t find a zoomed out pic, but FL is treated within a flower field on the water that allows her to restore her original appearance)