There is actually a "flexible delivery service" run by a certain ballet school! The girls who work there are all real ballerinas! A super premium course where you can choose two people and have their flexible bodies all to yourself! "I-shaped balance cunnilingus", "bridge double blowjob", "180° open leg sex", etc. The ultimate other-dimensional play is galore! A phantasmagoric harem reverse threesome featuring supple female bodies!