Kahogo no Kahoko (2017) this one is very lighthearted and fluffly
Live up to your name (2017) this one was one of my favorite ones from last year's batch
Fight for my way (2017)
Sekai ichi mizukashii koi (2016)
It's not that I can not marry but I don't want to (2016)
Weightlifting fairy (2016)
Marriage not dating (2014) - this one has romance but it's also pretty hilarious.
The Greatest love (2011) this one is not within your mentioned range but is one of my favorite kdramas so I highly recommend it.