a serene Japanese onsen scene with a natural hot spring surrounded by lush greenery and traditional stone lanterns, featuring a tranquil atmosphere with mist rising from the water, warm golden lighting, and a few wooden bathing stalls in the background, with a winding stone path leading to the onsen, surrounded by vibrant green foliage and colorful koi fish swimming in a nearby pond, under a clear blue sky with a few fluffy white clouds, capturing the essence of traditional Japanese architecture and the soothing ambiance of a natural hot spring.