something like In Time With You, (didn't care much for the k version of it) does not need to be about best friends. Just long time loving. Looking for recs. thank-you
General and I Fifteen Years to Wait for Migratory Birds (on the girl's side) Strong Woman Do Bong Soon Twenty Again Bubblegum (haven't watched it tho) Super Daddy Yeol
Here are 10 that I can remember. Some of them are fluffier and others more dramatic but all have unrequited love as a major plot device. I hope you find some that you enjoy.