shingyouji tatsuya, kei (dirty pair), yuri (dirty pair), dirty pair, 1980s (style), 2girls, arms behind back, back-to-back, bdsm, blue eyes, blue hair, blush, bondage, bound, bound together, breast bondage, breasts, breasts squeezed together, cleavage, cleave gag, cloth gag, cuffs, female focus, gag, gagged, gloves, handcuffs, headband, improvised gag, large breasts, multiple girls, oldschool, orange eyes, red hair, retro artstyle, rope, short hair, standing