TG Thread of the appropriate Japanese persuasion to fit within the realm of "Hentai/Alternative"
You guys now about Sad Panda Threads from /a/ right, or just g.e-hentai.org for the plebs?
Just search "Gender Bender" and "Eng" for English translated stuff and bam you have a plethora of Japanese degeneracy.

"Hentai Futago" is one of my favorites because there's a series of them.