diff.text: [[File:Setsuna42.jpg|thumb|left|Setsuna, AKA Eternal Sailor Pluto, as shown in the manga.]]Setsuna is the oldest of the nine Sailor Senshi; in the R season, she is a college student while the others are still in grade school. Despite being the oldest, Sailor Pluto never assumes any type of official leadership role. Even among the InnerOuter Senshi, she frequently defers to Uranus an[[File:Setsuna2.jpg|thumb|Setsuna.]]d Neptune.