sentences:  Eventually, the Sailor Soldiers and Tuxedo Mask travel with Chibiusa to the future where Usagi rules Crystal Tokyo as Neo-Queen Serenity.They learn that Chibiusa is actually Usagi and Mamoru's future daughter, and they also meet Sailor Pluto who guards the Door of Space-Time.Eventually, the Sailor Soldiers battle against Wiseman, a dark force that was manipulating the Black Moon Clan with the intention of destroying Earth.