Follow the friendship between the Nobara family’s pet dog Shiro and a “small dinosaur”. Their connection helps the growth of Shinnosuke and the Kusakabe Defense Squad.

Amanda and her imaginary friend Rudger go on thrilling make-believe adventures. But when Rudger finds himself alone, he faces a mysterious threat.

When the five visit a private academy, Kazama is attacked, and left with reduced intelligence and strange bite marks.