The once from your list that i know the ending are:
18 vs. 29 - happy, satisfying ending
200 Pounds Beauty - really nice movie with a happy ending
Attic cat - happy ending
Autumn?s concerto - a really satisfying ending for the dramatic situations lead characters gone through
Bad couple - the ending is beautiful but you have to really watch until the end, you'll have doubts in my words but don't
Creating destiny - the ending was nice, a happy ending
Dal ja?s spring - really enjoyed this drama for it's funny parts and it also has a happy ending
Delightful girl, choon hyang - as far as i remember the outcome was exaggerated but still a happy ending
Devil beside you - it was a happy ending
Dr. chump - liked it, 2 happy endings
Easy fortune happy life - happy ending
Exhibition of fire works - i think it was a happy ending but i can't say that i was completely satisfied about it
Fated to love you - a totally satisfying happy ending
Goong - happy ending it was slightly amusing slightly dramatic
He was cool (Chinese drama) - if you resist watching this through the end you will find out that it's a happy ending
Hello! Miss - really nice, sensible and melodramatic, funny, happy ending
Hotaru no Hikari - stupidly funny, sometimes serious and if you like the male lead you'll find it as a happy ending
I Really Really Like You - a satisfying multiple happy ending, but the story was melodramatic
Immocent steps - a story filled with drama that leads to a happy ending
Itazura na kiss(Japanese drama) i don't recommend you to watch it, i personally didn't enjoy it but no one dies, no one breaks up..
King of Baking, Kim Tak Goo - a bittersweet ending because the eldest baker dies and the main male lead only give us the idea of a possible love relationship, the other couple also has difficulties in their marriage and a bittersweet love.
Love contract - a bit of a confusing ending but i think it is a happy one
Love marriage - it had a happy ending
Lovers in Paris - if i tell you it had a satisfying ending i would probably lie to myself, but no one dies and the endings give you the sensation that you should watch the drama one more time, or at least the previous episode. The ending will make you crazy because you would never in your most fantastic dreams would expect such outcome.
Miss no good - a funny cute story with a satisfying ending.