Here are some kdramas where the leads overcome their disabilities .Many are related to the mind
1. Good Doctor -The ML suffers from autism syndromes
2. Stranger/Forest of Secrets- The ML cannot feel emotions due to a childhood surgery
3. Introverted Boss- The ML suffers from an inferiority complex
4. Beautiful Mind- another show where the ML suffers from being unemotional
5. Kill me Heal me -Multiple personalities of Male lead
6. The Equator Man
7. King of Baking: The ML suffers from many temporary disabilities due to the villains schemes
8. Memory -male lead is losing his memories
9. Angel Eyes
10. Hyde,Jekyll me