A close up of a person in a white robe holding a sword

((best quality)), ((ultradetailed)), ((masterpiece)), best quality (katana: 1.4), serious,(at night: 1.4), a 16-year-old who has his long black hair, which goes up to his waist. Your hair is thick and has a healthy appearance, your hair is long and not stuck, contrasting with your fair skin. The young man's eyes are emerald green, and are deep, expressive, and intense like two clear pearls. They reflect calm and an inquisitive curiosity. He has a big smile on his face and a watchful eye. With his upright posture, the young man shows a confident bearing and a cheerful and hyperactive aura. He wears a white kimono with green clouds, made of a quality fabric. giving him the look of a swordsman. At his waist, he carries a white katana with gray details on the blade. The long, sharp blade is made of polished steel, its coloration is white, and it is reflecting light. He is in an ancient Japanese city. He has a cheerful face. Kimetsu no Yaiba style, alone, 1boy, demon slayer style, loose hair, petulant look, smiling, confident, only 1, spilled hair, loose and big hair, demon slayer artstyle

(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))