He mistook her for his girlfriend, wife, affair partner, or sex friend, and suddenly plunged into her from behind! "Huh? It feels better than usual!" He idiotically thrusts his penis inside her at high speed! "It felt good," she says, looking at his face! Who is it?! I've completely mistaken her partner! As I apologize profusely for what I've done, the woman, who is turned on, comes over to me!