Grim Tales: World of Z

Grim jr, Minimandy, and Mimi enter the world of Powerpuff girls Z how will they deal with a world that is similar to the human world they know of and the way they see people from the past that have died before. What does this grey light have to do with everything. Starts towards the start of ppgz, GrimJrXHarem, Junior X Mimi X Minnie X (Mystery) X (? Powerpuff(s)?) X ? # of other