Princess Jupiter is the royal, pre-incarnation form associated with Makoto Kino, one of the Sailor Guardians in Bishoujo Senshi Sailor Moon. She is tied to the planet Jupiter and represents strength, protection, and thunder. In the Silver Millennium past, she is part of the group of princesses who served Princess Serenity. Her role is primarily as a symbolic and historical counterpart to Sailor Jupiter, reinforcing Makoto's noble and powerful character identity within the series.