- Same universe
- Same genres of xianxia, consisting of demons, fairies etc
- Cute female leads
- Handsome male leads

- Second life
- Female lead tries to run away and break free from the first life
- Female lead trying to mend their mistakes

Same leads to cure our bitter ending yall ?
- Strong female lead
- Royal male lead
- Costume Project

- Female lead is both a hardworking lawyer.
- Domineering male lead
- Cute height difference
- cohabitation

Both main lead from Fireworks of My heart and A Date With the Future are firefighter, there are childhood flashback, doctors and amazing story.