Is this big ass a slut or a masochist? This is a user-friendly Big Butt series where you can enjoy both the sadistic and masochistic aspects of masked women with huge butts! This big-butt woman with an abnormal sexual appetite won’t take off her mask until she’s satisfied. Not satisfied with her 100cm bust, Black Mask is a graceful woman with a dazzling smile and a “steel butt” that’s nearly over 100cm. “I’m going to show you lots of my well-trained butt,” she says…