Stacy is a gem therapist she specializes in uncorruption. She's my semi oc cause by association she belongs to Rebecca Suger (Cause her parents are Greg Universe and White Diamond and she was made in a SU game on roblox which was made by MarcoSauriny (So by association she belongs to him/her as well). And also she's 22 years old because well youtube.com/watch?v=AgFeZr5ptV8 yeah. and yes she is technically Steven's big sister.