Konata izumi, kagami hiiragi, lucky star, best quality, ultra

konata izumi, kagami hiiragi, lucky star, best quality, ultra-detailed, high resolution, extremely detailed cg, unity 8k wallpaper, masterpiece, beautiful, perfect body, anime picture, femsub, (arms behind back:1.5), tied up wrist together behind own back, sitting, on floor, indoors, bondage (2girls:1.5), back to back, izumi konata, brown long hair, violet panty, grey bra, Kagami Hiiragi, long hair, twintails, brown hair, blue eyes, eye glasses, blue panty, light brown bra(back to back:1.5), sitting on the floor grasping her knees, looking down, Tape Gag, Tape Bondage, ropes bound around both body,