Dramas you watched multiple times

1. CHEESE IN THE TRAP
2. Misaeng
3. Healer
4. Heirs
5. Dots
6. Reply 1997

1. Healer
yet to re-watch any other series

so far nothing beats It's Okay That's Love

The Princess' Man

It's Okay That's Love
Healer
Fated To Love You
Cheese In the Trap
Secret Garden

Devil beside You
Full House Thai vers.
Boys over Flowers
Heartstring
Queen In Hyuns Man

Japanese. 
kimi wa petto (2003). hana yori dango (2005) - both seasons. hotaru no hikari (2006) - both seasons. hanazakari no kimitachi e (2007). rich man, poor woman (2012)
Korean.
my girl (2006). you're beautiful (2009). falling for innocence (2015). 

Princess Hours
Secret Garden
Yi San
King2Hearts
Moon Embracing the Sun
49 Days