Elsa lavender

I know some best historical korean dramas available on Viki
1. The red sleeve
2. Lovers of the red sky
3. The kings affection
4. Under the queen umbrella
5. Moon lovers : scarlet heart ryeo
6. Rivers where the moon rises
7. My dearest
8. Grand prince
9. mirror of the witch
10. The king's face
11. Arang and the magistrate
12. Damo
13. Dr. jin
14. The great king sejong
15. The great merchant
16. Insu, the queen mother
17. empress ki
18. Mr. queen
19. Dong yi
20. Moon embracing the sun
21. Jewel in the palace
22. The crowned clown
23. The royal gambler
24. Gunman of joseon
25. Jang ok-jung living by love
26. Saimdang memoir of colors
27. Blooded palace : the war of flowers
28. The royal tailor
29. Emperor of the sea
30. Love in the moonlight
31. Sungkyunkwan scandal
32. Bossam : steal the fate
33. 100 days my prince
34. Hwang jini
35. Gyebaek
36. The tale of nokdu
37. Faith
38. Kangchi the beginning
39. The scholer who walks at night
40. Tale of arang

I think "Falling for the ceo's son"

It is a movie or drama?
I'll help you!

Any other clues? Actor name or actress name?

I think "A witch's romance"

i have more
1. crash landing on you
2. Agency
3. Business proposal
4. O my Venus
5. Boss & Me
6. Noble,my love
7. The heirs
8. Ode to joy
9. The fox's summer
10. Well intended love
11. My little princess
12. Go back couple
13. Shopping king louie
14. The producers
15. Beautiful gong shim
16. The king in love
17. The time
18. Grateful family
19. Pinocchio
20. Love 020
21. you are my destiny
22. The romance of hua zhu or love scenery

I'm not sure but I'll help you.

I'm not sure but I know some dramas related to your comment
Korean dramas
1. I can hear your voice
2. Encounder
3. Something in the rain
4. Sweet dreams

Chineese dramas
1. Accidentally in love
2. My little happiness
3. Rational life
4. Find yourself