Powers of Majin Buu in a Fantasy World!? PMBFW

A teenage girl from Earth was taken by another world's god and asked to become it's champion for some battle the gods in it's world was doing. But she isn't going without some type of help! That help is in the form of a wish granted by the god.
The powers of Majin Buu from Dragon Ball Z!
Read along as she has as much fun as she wants in this new magical world.