masterpiece, best quality, extremely detailed, detailed background, detailed face, 1boy, male focus, blood, sitting, solo, blood on clothes, chair, trash bag, blue shirt, labcoat, shirt, paper, pants, black footwear, indoors, short hair, looking at viewer, black pants, curtains, white hair, shoes, long sleeves, grey hair, full body, cigarette, blood on hands, office chair, box, knife, id card, closed mouth, grey eyes