I don't remember the character's looks too well, but I know the story. This was probably a web comic and I read this a really long time ago.
The main character was a little girl starting off in a blank space, she can hear a voice (kinda like God I guess) and it taught her to bring clay creations to life. Shaping clay and blow breathe life into it.
She creates a field of grass and flowers and then a rose (which became important later on). Then she wanted a friend and created something like her but a speck of clay fell on it and it became a boy (..yeah anyways).
Creating animals that ended up fighting. She and the boy created land, trees, and fruits. The trees were starting to lose shape and for a while there was just a vast ocean and an island was formed (this part is a little foggy).