The kingdom that floats above in the sky, that uses free doodles as an energy source, Rakuga Kingdom. However, now in the face of a lack in energy, they are on the brink of ruin. In order to force the creation of doodles, the kingdoms army begins its attack on Kasukabe on the surface! Meanwhile, as the drawings begin to move, the hero who is bestowed the hidden treasure of the kingdom, the Miracle Crayonis none other than the super happy-go-lucky 5-year-old, Nohara Shinnosuke!! Together as the Almost Four Heroes, Shinnosuke and the drawn doodles try to take back Kasukabe! Amongst that, they discover the weakness of the doodles, where they dissolve upon contact with water! To make matters worse, a raincloud that looks to start pouring at any moment hovers above What awaits their encounter with the doodles and the end of their adventurewill it be smiles, or tears!?
