What happens when you release a game about spanking bad girls with blushing breasts back into virtue? You get slapped with a D rating from CERO!

According to Famitsu.com, Criminal Girls is Nippon Ichi's first D. The site, presumably quoting Nippon Ichi's press release, said that the game got the D because it's "too sexual."

For an example of that sexuality, visit 4gamer, which has some audio clips of the girls in mid punishment.

The 4gamer article closes off with a mysterious image:

What is Prinny doing in an article about Nippon Ichi and Image Epoch's new PSP RPG?