The Daimaō is tired of Sorges' failures and has Professor Hawking implement a plan for defeating Chacha. He leaves a large egg on the path to the school where Chacha and her friends will find it. She takes the egg home and hatches Franken-chan out of it. The first person he sees is Chacha, and he imprints on her as his mother. Chacha begins raising him, even taking him to school...