Keitai Denjuu Telefang

The baseball-loving kid Shigeki finds a phone up in a tree, which briefly transports him into the world of the Denjuu. The Denjuu world is a world that is supposed to be off-limits to grade-schoolers. Bewildered, Shigeki tells his classmates about what happened but only his friend Matsukiyo believes him. They decide to test out whether the phone...