The Jewel Teeniepings, special jewel-themed Teenieping residing in the Jewel Forest, are all released on Earth by a mysterious masked Teenieping by the name of Maskping. Romi, who now lives a normal life in Harmony Town, gets once again in charge of catching them all, accompanied this time by three very immature Teeniepings studying at the Teenieping School, led by the Royal Teeniepings (excluding Heartsping) who returned in the Emotions Kingdom.