Can you help me find this one?

Hi!

If it's not allowed to ask this here, forgive me.

I can not find the name of a cdrama i watched. 

Clues: there was a 2nd female lead who misdiagnosed with a terminal illness. In one ep she wore a pink/purple wig.

Thankkks

 anyyy:

you're in the right place, dear <3

Do you remember the name of the actress or actor in it? I think it will be easier to find this drama :D

Unfortunately, no... I only remember this character...She was very worried because she thought he was going to die and  was trying to do everything she could in the remain time

The one im looking for is not that old if i'm not wrong...