iota (user gvdc7737), rulership (monochrome gm) (umamusume), rulership (umamusume), umamusume, absurdres, highres, 1girl, ahoge, animal ears, armpits, black boots, black shirt, black shorts, blue eyes, blush, boots, breasts, brown hair, chess piece, chessboard, crossed legs, dice, gloves, grey hair, grey streaks, hair ornament, hair over one eye, high-waist shorts, holding, holding chess piece, horse ears, horse girl, knight (chess), large breasts, looking at viewer, multicolored hair, open mouth, parted lips, rook (chess), shirt, short hair, shorts, sitting, sleeveless, sleeveless shirt, smile, solo, streaked hair, thigh boots, white gloves