Island of no heroes or Villains

Class 1-A decide to go on a trip to an island that doesn't show up on all the maps for a Vacation.

This is a soulmate AU and my OC's belong to me. For this particular soulmate AU everyone has a timer on their arm. Once it reaches zero that means they found their soulmate. People with a time but with red numbers means their soulmate died and that timer doesn't move.