You’re just having fun coloring and eating your lunch. The thick diaper you wear is a reminder of an easier time in life.
Unfortunately for you, your sister knows your secret and has hidden a camera in your ‘nursery’. Your regression time is being streamed to the entire school and you won’t know it until you show up at school tomorrow.
I guess you couldn’t have picked a worst day to wear a pullup under your clothes. Those girls you picked on all year have big plans for you!