Prologue-Moon Kingdom

What if Tuxedo Mask had a little sister that was the Guardian of Earth but said sister decided to protect the Princess with the others so that the Earth and Moon wouldn't go to war and Queen Serenity allowed it, leading Sailor Earth and Princess Serenity to becoming like sisters? What if she prevented Endymion's knights from being brainwashed and prevented Crystal Tokyo from being attacked in the future as Neo-Queen Rose after falling in love with another person named Prince Octavius of the Moon Kingdom, brother of Princess Serenity?