The story of Jewelina, ruler of Jewel Land, is the origin tale of the Jewelpets. However, an unexpected meteor crashing into the Mirror Ball caused it to shatter and become Deco Stones that scattered throughout Jewel Land. Fast-forward to present day, where Ruby the Rabbit Jewelpet has a love for any shiny decoration. When Ruby and her friends discover the story of the Deco Stones, they set out on a mission to find them. Along the way, they meet the KiraDeco 5, a unique bunch who share their passion for the stones. To save the human world from the Eternal Darkness, they must join forces to collect all of the Deco Stones. Pink Oomiya becomes the Jewelpets' closest ally among the KiraDeco 5.