The Alternate Dimensions from different species over the whole universe united them in another world.
An Elf who was known as the late Princess in her past was found lost in the Human World, she met a shinobi cat and a vampire girl those have the same objectives to go back to their own places.
In order to go home, they have to go through together and collect the Magical Heart to help them to teleport. Unfortunately... THEIR MISSIONS ARE ALWAYS FAILED!!