Moon had made Sundrop into the perfect younger brother who would obey his every command. It took time, breaking him down and rebuilding him. Moon was proud of his work and decided to reward Sun with a little sister. Helping his younger brother create the perfect baby sister. Which was why you were made, made for Sun. Too bad off the start, you find them crazy and run off. Now they’re coming after you, and they were very angry at your disobedience.