The fact the games are not that graphic in content to begin with, also it is a superhero game which are not rated CERO Z in Japan, heck Batman: Arkham Knight is rated CERO D uncut and it content is a lot worse then the Infamous series.
The fact that the USA are less tolerant to sexy skimpy outfits comp, and the fact the later Senran Kagura games are M rated with content not that is not that much different from the first game.
The fact that the USA are less tolerant to sexy skimpy outfits compared to Japan, and the fact that it is a big contradiction to the later M rated Dead or Alive games with content no better/worse then Soulcalibur V/Lost Swords!
Australia is infamous for banning/censoring video games and giving harsher age ratings then other countries. And the fact that some of the enemy death animations such as the Bloody Zombie and the bosses like the Beelzebub!
Australia is infamous for banning/censoring video games and giving harsher age ratings then other countries. And mind you Contra got censored in Europe/Australia as Probotector!