As a straight man, he had never experienced anal sex even though he did question the appeal of it a few times in the past. It was a shortcoming he grappled with in the past but now it was really eating away at him. His novels were always told from the perspective of a man so the readers couldn't truly understand how the women felt.
There was just one thing he felt that was missing. He was a bestselling author by far and his series always flew off the shelves the second they were released. He could never stop himself from leering at women and writing erotic novels based on his sexual misadventures. The last thing was probably what he was known for the most.
The legendary ninja Jiraiya was known for many things.