Now that classes 1-A and 1-B have graduated and are now either Heroes or Sidekicks everyone has gone their own ways. But it was getting closer to Christmas time and a certain Angle winged Hero was missing her classmates, teachers and friends. So she plans a Christmas party where everyone comes and spends three days and two nights at her mansion. Once everyone gets there and they're all having fun, they find out something new and surprising about the winged hero.