(masterpiece, best quality), 2girls, artoria_pendragon and a brunette rin_tohsaka from fate/stay_night, both naked, artoria sitting on a wooden chair with rin tied to the back of the chair with rope, artoria kissing rin's neck, rin's hands tied behind the chair, rin's legs tied to the chair legs with red rope, warm sunlight from window, blush on rin's face, detailed room background with pictures on wall, explicit, nsfw.