A beautiful young woman (Sophie Turner, air bubbles) with blonde hair struggling

a beautiful young woman (Sophie Turner, air bubbles) with blonde hair struggling with large tentacles, detailed face and body, deep in a labyrinth at the bottom of the sea, high quality, realistic, photorealistic, 8k, masterpiece, hyper detailed, cinematic lighting, dramatic composition, erotic, deep anal sex, hard anal sex, female nudity, delicate skin textures, glistening water effects, intricate patterns, mystical atmosphere