Friends To Lover Trope

Kihyun and Daeun have been friends for forever. They fight often, but the fact they dated in high school is a secret. They end up working on the same webdrama, their old high school as the filming location. As they work they sort out past misunderstandings, Kihyun feeling bitter at Dowon's feelings for Daeun. Daeun rejects Dowon, and the two restart their relationship with an honest approach.