Caught pleasuring myself in the shower by my step sister, kept quiet to avoid trouble, but she assisted me to climax

A man\'s wife and step sister share a steamy shower encounter, leading to a forbidden tryst. The wife catches her step sister pleasuring herself, but chooses to keep it a secret from their parents. The wife, intrigued, joins in, leading to a wild session with a sex doll, culminating in a massive double cumshot.