On a world where aliens are commonplace, Kazuto Tokino decides on his own to run his grandfather's bathhouse despite the protests from his parents.
Valkyrie still lives with Kazuto. One day a giant wand-like object called “Key of Time” appears before Valkyrie while she’s playing at the park. She starts helping others with the power of Key of Time and she keeps on using it without knowing its real power and purpose. Just as she helps Spot with Key of Time, it goes out of control all of a sudden. It turns into a chaos involving the entire town.
Valkyrie and the entire Catgirl Maid squad go on a picnic to the snowy mountains but can't seem to find their destination.
One day a giant wand-like object called "Key of Time" appears before Valkyrie while she's playing at the park. She starts helping others with the power of Key of Time and she keeps on using it without knowing its real power and purpose.
Rika goes to her room looking for a kotatsu and when she opens the closet door there's a girl sitting inside of it. She's another princess from Valhalla named Princess Chorus.
Akidra and Hyrda have been not match to Valkyrie Ghost; but something happens and Hydra and Akina combine into one and become the most powerful super girl "Akidra"!
One day Kazuto runs into a girl who looks just like Valkyrie. Ever since that day Kazuto hasn't been himself, mesmerized by the mysterious beauty of this girl who calls herself "Valkyrie Ghost".
This episode explains how Laine and Chorus came to attend the middle school of Planet Academy.
Akidra with amplified psychic power analyzes the ominous wave motion and sees 12 black moons. In order to solve the mystery of a certain legend of Valhalla, Ms. Sanada contacts Mehm.
Mehm brings everyone the new bath product which was just released in space. When they pour the package into the water, everyone is engulfed in light and turn into kids.
Mehm, Valkyrie and the others continue to search for Kazuto in the airship.
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