The Space Insect 1988

Directed by Takahiko Akiyama

A boy dreams of space and a strange egg falls on the book he is reading. What comes out of it is a strange insect. The boy tries to raise it, but his mother refuses, so he throws it away in a nearby mountain and continues to observe it. The worm continues to multiply and creates a civilization that rivals that of humans... Based on a novel by Shigeru Mizuki.