First romance - chinese drama - the 2nd lead couple is exactly wat u asked. Sml likes fl for long but sfl who is fl frnd likes him..
My girl 2020 chinese drama - there are 3 couples in the drama. Sfl - wei wei was chasing the sml
Begin Again - chinese drama - the sml likes fl for long but she doesnt reciprocate. sfl liked sml for long
All these dramas have happy endings for all couples..