kodama masaki, warfarin (arknights), arknights, absurdres, highres, 1girl, armchair, balloon, bare shoulders, black jacket, black pantyhose, black sleeves, blood, blood bag, braid, breasts, chair, character name, cleavage cutout, clenched hand, clothing cutout, cross, crown braid, cushion, detached sleeves, double-parted bangs, drinking blood, feet out of frame, from side, grey background, hair between eyes, heart balloon, high collar, holding, holding balloon, holding blood bag, jacket, knees up, long hair, long sleeves, miniskirt, multiple thigh straps, pantyhose, pleated skirt, pointy ears, red eyes, sitting, skirt, small breasts, solo, sparkle, thigh strap, white hair, white skirt