- Both male leads work in similar fields to protect the country
- Both female and male leads met during high school and reconciled a decade later
- Both dramas go back and forth present and past moments
- Both dramas are not just about relationships but also dive into the roles' respective careers
- There is a kid in between the FL and ML helping to rekindle their romance
- Both dramas have snowy settings and cinematic feel

Both male leads are surgeons and have very similar physique. They got suspended at work and almost encountered a medical lawsuit but was later resolved. They only set their eyes on the female leads from the very beginning. The MLs and FLs live opposite each other and are very supportive and protective of each other in the two dramas. Both concluded on a happy note, got married and had kids.