Yuko, who was a normal high school girl who enjoys playing tennis, is attacked by auditory hallucinations. It was a voice calling for salvation from Valia, the princess of Vanity, who was attacked by the Phantom Demon Lord Logres. Ragless kidnapped Princess Valia and took five fantasy jewels that could control the dimensional source Varys. Caught in a dimensional expansion, Yuko takes her sword to reclaim her princess and her jewels. However, there she meets armed Reiko, who was in the same tennis club. Is she an enemy or an ally? In addition, 6 other works are included: "Roadrunner for the Perfect Victory Technique", "Bomberman for the Perfect Victory Technique", "Hydride", "Hao-kun's Mysterious Journey", "Confrontation! Kung Fu Fighter", and "Clearing the Puzzle Game". The cover is an original illustration of Yuko by Sho Kobayashi. There is a bonus illustration page at the end of the book.