((Best quality masterpiece of a beautiful Japanese girl with a perfect face at the age of 16, standing at a height of 145cm. her black hair adorned with a random alluring hairstyle, exuding a seductive look. Whole body depicted with intricate details, showcasing an upturned chest in a slim style, shining with fair skin under soft natural light. The scene includes the shaved pubis, perfect tits, and perky nipples, adding to the overall allure. Detailed imagery of a deep bathtub or hot spring, where a woman in an Onsen-style setting enters and spreads her legs to the side

(nsfw:1.5),verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))