Cold female lead?

1. Hotel Del Luna- The female lead is cold,cunning and everything.Ml is a sweet and embodiment of goodness.
2. I need Romance 3 - The FL is absolutely cold,talented,and mean.ML follows her around like a puppy. 
3.  Confidence man JP- FL is not cold per se but she certainly is cunning,clever, and meaner than ML. Loved this drama to pieces. They con rich  people.
4. The story of Ming Lan (Chinese)- The FL is very cunning and basically protects and schemes for ML who is more honest and straight forward.
5. Extracurricular- This is a dark story and FL is unhinged. Its very realistic  and all of them are walking on grey areas.

It's Okay to Not be Okay

Night Light (2016) Seo Yi Kyung is a ruthless and sharp businesswoman, who is willing to do anything for her ambitions.

• The king's love
• Doctors 

It's Okay Not To Be OKay 

Ms. Temper & Nam Jung Gi  - The FL is cold, insensitive and fiery tempered, where as the ML is the timidest guy ever, but this is about office work (Cosmetics company) with comedy.