Rating: 9. Upo Sathra. Cthulhu Mythos style. Night. Countless protoplasmic organisms crawl on the surface of a gigantic, gelatinous, translucent body. Primal single-celled organisms constantly emerge from its translucent body. A girl, long hair, full breasts, expressionless, translucent light blue lips, translucent gradient hair, fluorescent green eyes, naked, in a model pose. Extreme detail, cinematic lens, photorealistic illustration, (soft tone: 1.3), (ultra-high detail: 1.2), masterpiece, RAW, best quality), (vivid color: 1.3), best quality, masterpiece, beauty and aesthetics, 16K, (HDR: 1.4), high contrast, (vivid, color: 1.4), muted color, soft color: 0), cinematic lighting, ambient light, sidelight, fine detail and texture, cinematic lens, warm tone, full body (bright and intense: 1.2)), (masterpiece, top quality, best quality, official art, exquisite: 1.2), HDR, high contrast, wide-angle lens (high detail) skin: 1.2) (Csu is themed around Lu mythology, a cave under the tundra, with a huge obelisk standing behind it).