masterpiece, best quality, 1girl, kneeling on stone floor in ancient prison, Tang dynasty black official robe open at chest, exposed cleavage, saliva string hanging from corner of mouth, flushed cheeks, rolled-back eyes, tongue slightly out, sweat on skin, torchlight from above, Tang sword out of reach, shackles and chains on ground, expression of shame and arousal, dark chinese fantasy art, semi-realistic