Sailor Aluminum Siren is running out of time to bring the true Star Seed to Sailor Galaxia, so she makes a bold move and invites Usagi to a flight to fight over Usagi's star seed. Forced to intervene, Seiya, Yaten, and Taki transform become Sailor Starlights. Ami, Rei, Makoto, and Minako all then reveal their identities as Super Sailor Soldiers as well.