29 M4F Written punishment for being naughty

Dear Penpal, I would like to try out a prompt, that might go along these lines: you have caught me doing something naughty, such as peeking somewhere I definitelly wasn't supposed to. Although you are being younger than me, you decide that such juvenile behaviour requires a fitting, written imposition in my fairest handwriting. I would like the story to build up from early in the prompt and please do add your own spice :) Looking forward to an orange envelope that will inevitably lead to one thing...