I have a list of completed manhwa/hua that are aren't too popular (⌒▽⌒) maybe you can find something you haven't read in here?
http://www.mangago.me/home/mangalist/938335/
I think these are underrated but I know not everyone will like this style:
http://www.mangago.me/read-manga/moon_and_sandals/
http://www.mangago.me/read-manga/ichigenme/
this minilist: http://www.mangago.me/home/mangalist/996024/
So, um have you read Pandora Hearts :')
http://www.mangago.me/read-manga/pandora_hearts/
pls recommend me some underrated manga (completed please), i've read a lot so i don't know what to read anymore
i prefer yaoi, but other genre's are also fine