Ep. 21: Ruby and friends pursue final Magic Gem while studying and facing rejections

21

Ruby eagerly anticipates the final Magic Gem from the Jewel Box while her friends manage the Cafe and complete summer homework. Garnet attempts to befriend Nene for a gem but fails, and Marie and Nobara scheme to find a partner. Ruby tries to help Chiari and Ruruka study but causes books to multiply, angering Chiari. Meanwhile, Machiko struggles to get Labra to approve her manga, facing repeated rejections. After days of effort, the girls finish their work. Machiko finally earns Labra’s approval, leading to the insertion of the last Magic Gem. Jewelina appears, explaining that gems bring happiness to all, not just personal gain, as the Cafe and school cafeteria begin to shine.