runa (ren rainfall), tomioka giyuu, kimetsu no yaiba, highres, 1boy, belt, black hair, black jacket, black pants, blue eyes, buttons, closed mouth, empty eyes, haori, holding, holding sword, holding weapon, jacket, japanese clothes, katana, long hair, looking at viewer, low ponytail, male focus, pants, ponytail, puffy pants, solo, spiked hair, sword, upper body, water, watermark, weapon, white background, white belt