(masterpiece, best quality, highres, anime style), Rimuru Tempest from That Time I Got Reincarnated as a Slime, long blue hair, slime horns, black bow, kneeling on a dark floor, wearing a black frilly outfit, black thigh-high stockings, black high heels, black ballgag with a leash, black ankle cuffs with a chain, a large muscular man behind her, his penis inside her pussy, his hand on her stomach, sweat and fluids on the floor, pained and aroused expression, Japanese text bubbles, dark background with spotlight, explicit, nsfw.