Back in Diapers (Diaperplay Erotica)

Lauren always knew that her twenty-four year-old sister Sara was the baby in the family. But when Sara admits to being "forced" to wear diapers around the house, Lauren can't help feeling disgusted. Soon, however, Lauren's curiosity starts to get the better of her. And before she knows what's happening, she finds herself waddling to a different tune.