Anime characters are holding swords in their hands while standing on a wave

best quality (katana: 1.4), serious,(at night: 1.4), a single 16-year-old has long black hair that is loose to the winds, and poured down his body, smooth and shiny, which fall gently to his back. Her hair is thick and has a healthy appearance, contrasting with her fair skin. The young man's eyes are deep and emerald green, intense as two light pearls. They reflect calm and an inquisitive curiosity. With his upright posture, the young man shows a confident bearing and a cheerful and hyperactive aura. He wears a white kimono with blue-green details with patterned gray clouds, with a large yellow ribbon at his waist, sleeveless, made of a quality fabric. giving him the look of a swordsman. He has an animal, a monkey on his shoulder. At his waist, he carries a white katana with gray details on the blade. The long, sharp blade is made of polished steel, reflecting light. The katana grip is wrapped in black leather, offering a firm and secure grip. The scabbard of the sword adorned with demonic symbols. Kimetsu no Yaiba style, alone, 1boy, muscular man, demon slayer style, loose hair, quiet look, smiling, tall, confident, only 1, spilled hair, loose and big hair

bad work, bad color, extra legs, extra fingers, bad body, bad finger, bad eyes