Oil painting texture, fantasy art, nun in pure white habit, habit slightly disheveled, one shoulder slipping out revealing smooth skin, clutching rosary beads tightly in one hand, the other hand gripping edge of wooden pew, long dark hair partly escaping from veil, face flushed with inner turmoil, eyes closed tight, lips pressed together holding back breath, church interior background, soft light through stained glass casting colored shadows, dramatic chiaroscuro, sacred压抑 atmosphere, intricate details, masterpiece, best quality, 8k, ultra-detailed, Rembrandt lighting, sensual tension barely contained, erotic undertones, dark fantasy.