ML is the clingy ex boyfriend

Any drama or movie where the ml is the clingy ex boyfriend. aka FL ends up back with the ML in the end of the plot?

any language any country any number of episodes. main genre may or may not be romance. i just want any series with this trope

 Czakhareina:

New Tales of a Gisaeng

i liked the synopsis , ill watch it. 

 Czakhareina:

Discovery of Romance

i sorta didn't like this one because the SML is cuter than the ML. don't get me wrong ML is handsome as hell, i just like cute bois