Set during high school days.
Female lead is happy and energetic one and the male lead is more reserve kind.

- About siblings relationship.
- They always bicker and fight but in the end, they'll show how they care for each other and when they're in trouble they find ways to help one another.
- You'll smile, laugh, cry.
- The siblings are beautiful/handsome.

If you liked Mysterious Love, you'll surely love Hua Jai Sila.

Similaries
- Action, Romance
- Cold and Arrogant ML but SUPER SWEET and PROTECTIVE to FL
- Possessive/Jealous ML
- Supportive FL
- Sizzling chemistry between ML and FL
- Lots of Angst
- Hidden Identity
- Rich and Smart ML
- Happy ending

- Same ML actor - Xing Zhao Lin!
- Contract Couple
- Cohabitation
- The FL works at the company of ML
- The ML gives cold treatment to FL but always cares for her and easily gets jealous
- Supportive family to their relationship especially the mother of ML.
- The SFL left the ML at first then go back and tries her best to get him again.
- Pregnancy
- The ML and FL will have misunderstanding then the FL will go to other place to start new life.
- Happy ending