The Moonlight Princess Moon Rabbit influenced Galicia in the last battle. Sailor Moon lived a happy life from then on, which should have been like this... At the beginning of the 21st century, the 22-year-old Moon Rabbit ascended the throne to become the queen of Crystal Tokyo and was preparing to combine with the Earth Field Guard. Just as the little rabbit was about to return to the future, the Dark Empire should have been wiped out but mysteriously recovered. In addition to the former enemies, the new monarch of the Dark Empire made the Moon Rabbit even more afraid. The powerful force, almost immortal recovery ability, and flawless layout made the Ami Mizuno, who was famous for his strategy, was beyond the reach of the world. Sailor Moon, who was famous for his strategy, was defeated step by step, and the Earth Field Guard was also captured. The Dark Empire sent envoys to the situation. Under the threat, the Sailor Moon signed the "Crystal Tokyo Devotion Treaty" in humiliation and swore unconditionally to obey the monarch of the Dark Empire's lord emperor.