What you say!?Well, aren't you Little Miss Exposition.Trick or Treat!Just what is this 'Halloween'?If you don't know, why did you say 'It is forbidden!'?Teetoku-chan! It's Halloween tomorrow!It's not that kind of event, you know?In other words, an event where you can mug legally?So?To make a long story short, Halloween is for 'Trick or Treat'.Saying 'If you don't give me sweets, I'll play a trick on you!' and getting them - it's that kind of event.