後ろからの…

character: kirigaya_suguha, a black-haired boy with short hair and black eyes, same age as Suguha, intimate sex from behind against a wall, Suguha completely naked leaning forward with her hands against the wall, looking back at the camera with a shy smile and flushed cheeks, sweat droplets on her skin, the boy behind her gripping her hips, bright bathroom or indoor setting with soft lighting, anime style reminiscent of Sword Art Online aesthetic with detailed skin tones and intimate atmosphere