8k, uhd, photorealistic, close view, (2woman, 2man), extremely tan Argentinian woman with a pretty face, (brunette with silver highlights), short bob cut, slim sexy body wearing a shiny black string bikini, (shiny bikini), 25yo, retroussé medium round breasts, perfect round ass, muscular legs, beautiful cute perky little ass, nipples, green eyes, (looking at man:1), golden eyelash sparkles, pretty eyelashes, (glistening skin), (blissed-out:1.2), (pleasure, moaning:1.2), (on a yacht), (reverse cowboy:1.3), (double penetration), (on her back:1.4), arched back, group sex, ((gangbang)), arms tight around her waist, fondling breasts, held tightly, pulling her body back, held roughly, group sex on the top deck of a yacht, (monstercock:1.2), (meaty cocks:1.2), (veiny cocks), (cocks pressed against her face:1.3)