runa (ren rainfall), tomioka giyuu, kimetsu no yaiba, highres, 1boy, belt, black hair, black jacket, blue eyes, buttons, demon slayer uniform, fingernails, gold buttons, grey background, hair between eyes, hand up, haori, high collar, holding, holding sword, holding weapon, jacket, japanese clothes, katana, kikkoumon, long hair, looking at viewer, low ponytail, male focus, parted lips, ponytail, print haori, red haori, simple background, solo, spiked hair, sword, teeth, upper body, watermark, weapon, white belt