A girl being thrust into in the position called shumokuzori. It is a position where, from reverse cowgirl, she leans her body backward and is thrust like that, characterized by having nowhere to escape and being finished off. From a man's perspective, it is easy to touch the girl, and while thrusting you can attack her clit and nipples at the same time, shake toys against her, and there is so much stimulation that it is fun...!
