The Imaginary(屋根裏のラジャー)

Using her imagination, Amanda, a little girl, creates Rudger, a boy only she can see, to play make-believe with. One day, though, Rudger finds himself in the Town of Imaginaries, a world where forgotten imaginary friends live, and he must fight a curious threat. Based on the book “The Imaginary” by A.F. Harrold.