Since the implementation of The Criminal Code in 1907, Article 175 forbids distributing "indecent" materials, it is believed that most pornography in Japan must be at least partially censored. The primary means is to put a digital mosaic over genitalia.
Someone posted the sex scenes from the upcoming yaoi VN Camp Buddy. Here's the full image sets of those sex scenes. 100 images in album.
Ukemi = bottom: the verb ukeru means to "take, receive, accept," thus uke (receiving) mi (body, party) means "one who receives," or, "a bottom." Neko = bottom: neko literally means "cat". It has exactly the same meaning as ukemi, but in a slangier way.
Never been much of a shipper in the Harry Potter universe, but this picture might just change that.