yamori kou, yofukashi no uta, artist request, commentary request, highres, 1boy, black hair, black jacket, black shorts, cake, crossed legs, food, full body, grey background, grey shirt, grin, hand on own cheek, hand on own face, happy birthday, holding, holding cake, holding food, jacket, looking at viewer, male focus, open clothes, open jacket, shirt, shoes, shorts, signature, simple background, sitting, smile, solo, white shoes