An obsessive caressing session unfolds without anyone noticing on a crowded, packed train! He puts his hand through the gap in her skirt and uses a single finger to tease her steamy pussy! He stimulates her clit, kneads her vagina, and makes her cum over and over again while still fully clothed, a shameful experience! Furthermore, unable to resist, he slowly inserts his dick deep inside her! [The facial expression wipe makes it even more erotic.]