Similarities
- Single dad ML
- Indecisive FL
- Love Triangle
- ML and 2ML know each other beforehand, more so in One More Happy Ending

Differences
- Sismance
- Multiple Couples

Though different in core storyline, there are many similarities,
- Same Rags to Riches theme
- Same clueless ML who doesn't understand worldly matters
- Same FL role in taking care of ML