Like the cars used in delivery of driving lessons, shape-shifting cars also had the technology to control themselves.
Whereas the ones in driving schools had the technology to give a tutorial to the student and help in preventing an accident in case the said student makes a mistake, the one in shape-shifting cars was intended to help the owners toss all the stress of driving aside and enjoy their modernized room.
So, unbeknownst to Daniel, as he was busy fucking Amellia's enormous juicy melons, their car was busy taking them home. Amellia had kept this to herself; she wanted to surprise him with a we-are-home gift.
Soon, she heard the arrival alarm which Daniel could not hear because of how intoxicated he looked. His entire body was covered in sweat, his breath laggard and his dick still as hard as a rock.