that's for a contest ^ _ ^
the black-haired one on the right is called Suki, the one on the bottom left is called Nan, above is Kyo, next to it is Trunks and on the top left is called Lay.
These are the characters of Maria on mexx. Her Wb was about drawing a cover for one of her stories. The winner can then implement the selected story as doujinshi. ^ _ ^ ~