Friends from childhood, they've shared many secrets, but this is a first. As they sit side by side, a silent understanding passes between them. One leans in, whispering, "I've been curious about...you know." The other grins, standing up and dropping their pants, revealing a perfectly round, inviting ass. The first friend's eyes widen, then gleam with excitement. They approach, running a finger along the crease, feeling the heat and slight dampness. They lean in, pressing a soft kiss to the small of the back, then lower, exploring the tight, puckered hole with their tongue, causing their friend to gasp and push back, eager for more.