[What is OCS? An abbreviation for open crotch stockings with an open crotch area.] The tightened buttocks overflow from the rounded crotch area, increasing the sensuality to 180%! The plump feeling in your buttocks when you wear these stockings is truly something else! Secretly seduce your subordinates during work with the ready-to-fuck shape that allows you to have sex at any time just by shifting your pants! Only