Akina's Miniature Transformation
Akina accidentally turns herself small instead of Hydra when Laine crash lands on her. While she is a little kid she discovers how nice it can be to be a kid. She also manages to confess her feelings for Kazuto to Hydra and Valkyrie and wonders why she is unable to be as genuine and honest when she is an adult.
Aired 29/08/2002EP 9 - Akina's Miniature Transformation
UFO Ultramaiden Valkyrie
UFO Princess Warukyure, aka UFO Princess Walkyrie is about a princess from outer space who accidentally crashes on earth, where Kazuto desperately tries to maintain the public bath of his grandfather. Due to circumstances, Kazuto receives part of princess Walkyrie's soul which forces her to stay there with him. But that's not the only problem ... because her soul lost strength, the princess transforms both mentally and physically into a little kid!
(Source: AniDB)