OMG I cant believe there are so many must-watch dramas are missing on your list :P
Autumns Concerto.
Poor nice girls & rich cold guy love story. This drama is just heart broken. Many unexpecting things happen. You will be thrilled.
Youre beautiful.
This is the cutest drama ever. Girl act like a boy, enetering a boygroup to help her twin brother who cant attend.
She finds herself falling for the lead singer, who is an arrogant cold hearted guy. Thats a very funny one.But also with sad moments.
The Masters Sun.
Girl who can see ghosts falls for rude guy (sorry if it repeats xD)
My Girlfriend Is A Gumiho.
Its similar to Youre beautiful and the Masters Sun since it made from the same producer.
Girl is a nine tiled fox. Falls for a human guy. She follows him everywhere and he tries to get rid of her because he finds her scary. But later he finds himself falling for her. Its also very cute with A LOT of hard core funny moments
Shining Inheritance.
If you like these kind of dramas where poor girl get in touch with a rich family you will like this one.
Girl got a autism brother. But after her father dies, her stepmother kick her and her brother out. So she tries to survive.
Later she and the rich, spoiled son of the family fall for each other. Be prepared to cry a lot.
Boys before Flowers.
Also with poor girl and rich world.
Girl get the possibility to attend a school where only rich people go to. Thats why she get bullied and treated bad by everyone. Also by the guy shell later fall in love with. Very interesting and its a drama everyone should have watched.
Playful Kiss.
Some poeple love it, some people hate it. I belong to those who loved it. It is VERY VERY FUNNY! And with a very handsome guy! ;)
Goong.
Girl, a normal art student,finds out she is a princess. Shes being forced to marry a guy who cant stand her. Also very funny but with a lot of sad moments.
Heartstrings.
Thats a verey beautiful one. You also should give it a try :)