edward elric, envy (fma), fullmetal alchemist, holding legs, homunculus, 00s, 2boys, amputee, androgynous, automail, back, blood, braid, fingerless gloves, gloves, grin, guro, hair down, headband, injury, long hair, male focus, midriff, monochrome, multiple boys, nude, open mouth, prosthesis, restrained, rope, scar, scratches, single braid, skin tight, skirt, sleeveless, smile, struggling, tears, yaoi