UFO Ultramaiden Valkyrie, aka UFO Princess Valkyrie, is an anime series that follows the story of Kazuto Tokino and the alien Princess, Valkyrie, who gives half her soul to Kazuto to save him after accidentally crashing her spaceship into Kazuto's family owned public bathhouse and nearly killing him. The splitting up of her soul turned her into a child, but whenever she kisses Kazuto, Valkyrie returns to her adult form for a limited time, and regains the use of her special powers.
Princess Pharm dreams up the idea of a reunion for Valkyrie’s old academy class, but she doesn't bother to tell anyone about it! Who will organize the party? Will anyone even show up?
Inarba wants Akina to show off her moves during a very important ritual dance in honor of the Celestial Comet. It’s of the utmost importance that the performance is perfect, so the priestess better start practicing!