"Let's see how well this works," the adventurous partner teases, pressing the iPhone against their lover's ass. With a wiggle and a push, the phone slips in, causing a gasp of surprise and delight. The screen's reflection dances on the ceiling as the phone slides deeper, filling the room with the sound of wet, squelching pleasure. The lover on the receiving end grips the bedsheets, their body tensing and relaxing with each thrust, their ass clenching around the unexpected, yet strangely satisfying, intrusion.