Like the R Season, Sailor Stars is split into two arcs. The first arc resolves lingering conflicts from the SuperS season and welcomes back the Outer Senshi, Haruka, Michiru, Setsuna, and Hotaru, who has returned as a child. The second arc follows the original manga storyline. Usagi says goodbye to Mamoru, who is heading to America to study abroad. In his absence, the Three Lights, a boy idol trio named Seiya, Taiki, and Yaten, step in. The new antagonist, Galaxia, seeks to rule the galaxy by collecting humans’ Star Seeds. Three new Senshi, the Sailor Starlights, emerge, determined to stop Galaxia without Sailor Moon’s help.