『戴自动蝴蝶去上学不能掉出来作文』介绍:Inanisland,ayoungcouple,VioletandPeter,offersasexswapwithfellowguestOlivia,ahotlesbian.Whatstartsasamutually-beneficialdealturnsroughandtumblewhenPeterdemandsmorethanwhathebargainedfor.