Prompt

Ensure the depiction is accurate, clear, and natural! / Two men are engaged in anal sex in the "ekiben" train bento box position / The man on the left side of the screen is holding the legs of the man on the right with his right arm / The man on the left has his erect, massive penis inserted into the other man's anus / The man on the right has his right leg held by the man on the left, while his left leg rests on the bed / Copious amounts of semen are spurting from the men's penises / The image is modified to depict semen—ejaculated internally—dripping from the man on the right's anus along the shaft of the inserted penis /Emphasize the depiction of each man's penis / Clearly depict the various parts of their bodies /