Think of a scenario like this.

If a straight or bi man and a straight or bi woman (similar age so it doesn't become a point) get stuck on an island, it's kind of inevitable that they end up fucking , at max within a year. Their attractiveness doesn't matter if they're not extreme cases.

Two lesbian or bi women and two gay or bi men dropped should also show similar behaviour.

My question is if these pairs dropped would get sexual:-

  1. a gay man and straight man ?
  2. a straight man and lesbian woman ?
  3. straight woman and lesbian woman ?

My assumptions are :-

  1. Mutual Handies (at first the straight guy would only be open to receiving) and one way blowjobs.
  2. cunnilingus for her, handies for him.
  3. lesbian sex.

Also some important conditions for the scenario :-

  • All things are consensual.
  • the chance of them being trapped forever is 81.68% and they are aware of it.
  • they somehow stay alive.