At the beginning of everything, in the big explosion that created time and space, barionic matter was created, and with it, filling the places where it didn't reach, there was dark matter. Barionic matter expanded through the universe creating life, and so did dark matter. Even when one world is completly invisible and imperceptible from the other, two little girls are able to see it . One wishing to be able to control her overflowing emotions, the other discovering her's for the first time; they'll find beings of all kinds on their way, even those that humans call gods. Author here! ^w^ English is not my first language so do tell me in the comments if I write something weird!