A long long time ago...
Pincess Makoto is the Princess of Jupiter. She's live on the Moon with the rest of the Inner Guardians. Her and their job is to guard the Moon Princess Serenity. She is part of the Silver Millenium Alliance.
Like the other Guardians, Makoto fell in love with Endymion's guard. His name was Nephrite, who had been turn evil by Queen Beryl.
Princess Makoto was killed when Queen Beryl and her evil minions attacked the Moon Kingdom. Queen Serenity used the last of the Silver Imperium Crystal to send everyone who died to a future on Earth.

Queen Makoto