My five suggestions in random order:
Virgin Road: secret pregnancy, fake boyfriend, very lovable male lead.
Hirugao: housewives, love affair, jealousy, tragedy.
Orange Days: group of friends in university, deaf girl, violin playing, sweet male lead.
Love Song: age gap romance, lots of music, insecure girl gains confidence through singing.
Itoshi kimi e: photographer gets eye problems, feels like crap, but there is a woman who truly cares about him.