土萌螢
The third arc introduces car-racer Haruka Tenoh and violinist Michiru Kaioh, who appear as Sailor Uranus and Sailor Neptune, whose duty is to guard the Solar System from external threats. Physics student Setsuna Meioh, Sailor Pluto's reincarnation, joins Uranus and Neptune in their mission to kill a mysterious girl named Hotaru Tomoe, whom they identify as the Guardian of Destruction Sailor Saturn. However, when Saturn awakens she joins the final fight against the main antagonists of the arc, the Death Busters, sacrificing her life in the process. With her newly obtained powers as Super Sailor Moon, Usagi restores the Earth and Hotaru is reincarnated.