This is a sample, but it came out in 2008, and it has no digital release. I have a bounty going for it, if you're willing to scan it: https://e-hentai.org/bounty.php?bid=15111
Plot: A crossdressing trap chases a rabbit that he calls even more of a pervert than him. He enters Alice in Wonderland's kingdom and the Cheshire cat gives him food that turns him into a girl.