Can be Korean, Chinese or Taiwanese. No Japanese dramas though.
I have already watched:
-Reply 1997, 1994, 1988 (9/10, 8/10, 9.5/10)
-Sunny (9/10)
-Young Hot Bloods (8/10)
-Girls Generation 1979 (7.5/10)
-Battle of Changsha (7.5/10)
-Our times (8/10)
-When we were young (7.5/10)
-Suddenly this summer (6/10)
-A Good day (5/10)
-Unforgettable (7.5/10)
-Back to 1989 (7.5/10)
-Go back couple (8.5/10)
-Mr. Sunshine (7.5/10)
-Inspiring generation (7.5/10)
-Chicago typewriter (8.5/10)
Edited:
I have also watched:
-Kang Deok Sun's love story - Drama Special (8/10)
-Let Us Meet - Drama Special (8/10)
-Red Teacher - Drama Special (8/10)