-Both are second chance romance
- school setting
- friends/rivals to lovers
- separated due to a sudden incident in ml's life
- meet as adults and rekindle their relationship

The leads dated when they were young (teens/college years)and had to break up for some reason. Both relationships were ended by the fl .
-Both fl amd ml meet after years of breaking up
-second chance romance
- fl is a doctor and ml is a firefighter/ police
- But in Love Song in the winter , its not just a romance and has elements of mystery and thriller as well

- sports theme - Racket boys focuses on middle school students playing badminton while like flower in sand focus on ssireum (Korean wrestling).
The male lead in LFIS strives to achieve success even after many setbacks and struggles.
- a small town setting
- community support
- focused on personal growth and passion for their dreams and goals