The thumbnail from the official site

Giana Sisters: Dream Runners Storybook is the the plot of Giana Sisters: Dream Runners. It can be read on Black Forest Games official site (sadly, the GSDRS link is broken).


Doc Owl travels to the waking world to torment Giana as a substitute teacher by day sending her crying home to Maria and uses a spell to divide her in four and each serve a personality trait and the Dream Runners gameplay basically serves as a contest as to decide which emotion will drive Giana when she wakes up.