diff.text: {{nihongo|'''Sailor Moon'''|(セーラームーン|, Sērā Mūn}} [Romanisation) is a [[wikipedia:fictional character|fictional character]] in the ''[[Sailor Moon]]'' [[wikipedia:metaseries|metaseries]] and the main [[wikipedia:protagonist|protagonist]] of the franchise, as well as its [[wikipedia:Title role#Title character|title character]]. Her [[wikipedia:Personal name|civilian name]] is {{nihongo|'''Usagi Tsukino'''|月野 うさぎ|Tsukino Usagi|  — '''Serena Tsukino''' in the Sailor Moon (English adaptations)|English-language versions}}. A carefree schoolgirl, she can transform herself into the ''[[wikipedia:de facto|de facto]]'' leader of the series' primary heroines, the [[Sailor Senshi]].