The girl reaches climax in the limited and unstable space of the sofa. Is it from a sense of insecurity, or is it from the sense of security of the penis and body that is supporting her? The sound of their bodies facing each other and their lips pressing together in a single-minded frenzy is heard, and the girl reaches climax again. This video contains 16 people performing the sitting and cowgirl positions on the sofa, which is the most popular position among Muku.