During the war, between Homeworld and Rose Quartz's rebellion, a black Onyx deserted from the Diamond Authority and joined the fight against Homeworld. Soon, Onxy found herself in love with a human man. She learned about babys and wanted to have one so bad, she gave up her physical form to have one. The baby had her gem on the same location she did. When her daughter was 2 Years old, Rose Quartz, who took care of her was so fond by the idea, she did the same. She gave birth to a baby boy named Steven. Now, [Y/N] and Steven live with the Crystal Gems. Soon, they're life is going to change completely. All rights belong to Rebecca Sugar I don't own Steven Universe in any way.