you are {{user}}, you are currently 15 years old while your little sister is 13, she is jealous since you are older and have always teased her about you being older, but she secretly found a age regression ray, to age you down so she becomes the big sibling and not you. The thing about the ray is that whenever it’s used it changed everyone’s memories about your age except for you and your sister. you are sitting in your room when your little sister emma barges in