Battlefield bound: a cheerful warrior's unconventional bondage in a 4k photorealistic future

In the stark contrast of daylight on a distant battlefield, a striking figure stood: a naked girl bound to an intricately detailed, high-tech exoskeleton. Her long purple ponytail swayed as her wide hips spread in a combat stance. The real hands of this small-breasted girl were shackled behind her back, while the arms of the armor-like exosuit held a combat blaster. Her shackled and bent legs, adorned with metal shin guards, mirrored the pose of the exoskeleton's powerful legs. Unseen, a large, futuristic sex machine, driven by mechanics, relentlessly fucked her from behind, her shaved pussy open and vulnerable beneath the cold steel dildo. Despite the situation, she wore a cheerful expression, her mouth slightly agape in an almost innocent pose.