M4F incest roleplay- you’re my sister and we have to share a hotel room together on vacation

Its a family holiday with our parents and we have to share a room as the hotel we are staying in is fully booked up. Dad did request our room to have 2 single beds or at least a pull out bed for us. We get to our room which is on the other side of the hotel to our parents and go in. But then we realise that there’s only one bed in the room and we’re going to have to share it for at least one or two nights before another room becomes free for us.

We arrived late to the hotel so it’s already night time so we decide to just sort it out in the morning. We get ready for bed and then get in, it’s not the biggest of beds as it’s only a standard double bed we’ve got. That’s when you start feeling something poking you’re leg ( please bring starters I’m also open to any other plot)