New laws proposed in Australia: consent is invalidated when a person has sex with someone but is mistaken about their identity, the nature of sexual activity, the purpose of the sexual activity, or because they've been fraudulently induced to participatehttps://m.centraltelegraph.com.au/news/new-laws-could-target-catfishing/3873019/ …
I think if there is evidence to show that his intent was to deceive and the other party was completely unaware and only became intimate for the reasons he gave then yes. I read before in NSW that there is a law for sex by deception already without the fake life bit...