Horii-san is Passing through(2009)

Horii-san Ga Tooru

Akira Narumiya is a socially dispositioned bookworm trying to mind is own business but he one day crosses paths with a strange little girl dressed in a bunny robe. Akira is drageed into the world of imaginations after finding out that the little girl possesses the power to allow imaginations to become when another individual comes in contact with her.