Following their triumphant debut, the Build Divers receive a flood of challenge requests from other Forces. Before they can act, however, Magee tells them to join the Force Festival and participate in its different contests. The Build Divers attend the Beargguy Festival, despite Ayame showing no interest in it. There, they meet Kanari and Stea of the Archangels, an all-girl Force. Later, the Build Divers and the Archangels participate in the "Beargguy Quest" mission, where they search for clues to win a limited edition Mushagguy...