hashimoto (yanagi-momo), rengoku kyoujurou, kimetsu no yaiba, commentary request, highres, 1boy, belt, belt buckle, buckle, chair, collared shirt, contemporary, crossed legs, full body, greyscale, hand on own cheek, hand on own face, head out of frame, head rest, long hair, looking at viewer, male focus, monochrome, multicolored hair, necktie, on chair, open mouth, pants, shirt, shoes, simple background, sitting, sleeves rolled up, smile, solo, swivel chair, teacher, two-tone hair, watch, white background, wristwatch