Amateur niece and petite sister make a bet with their uncle about sex before school

A naughty schoolgirl and her petite sister make a bet with their uncle, who\'s known for his wild sexual exploits. Unbeknownst to them, he\'s already on his way to the school to surprise them. The girls are left alone, unaware of their uncle\'s arrival. What happens next is a steamy encounter, leaving both girls with unforgettable memories.