2x9 - UFO Ultramaiden Valkyrie

Akidra and Hydra were no match against the Valkyrie Ghost. They each start the special training, hoping to defeat her one day. But something happens and Hydra and Akina combine into one and become the most powerful super girl “Akidra”! Now they go to school as Akidra, the super girl with awesome psychic power and physical strength.