2boys, all_fours, ass, belt, black_belt, black_coat, black_footwear, black_gloves, black_pants, black_tail, bondrewd, coat, disembodied_limb, full_body, gloves, grey_background, helm, helmet, holding_another's_tail, lifted_by_tail, long_sleeves, made_in_abyss, male_focus, mechanical_tail, mgong520, multiple_boys, overcoat, pants, pov, pov_hands, simple_background, solo_focus, tail, yaoi