Ar Tonelico III was rated teen in Japan. The ESRB isn't being as kind, slapping on a mature rating on the PlayStation 3 RPG for, among other things, a male character reaching inside a female character's body while she moans.
Role-playing game Ar tonelico III is rated CERO C in Japan, which translates to ages 15 years old and up. The game already is heavy on the underwear and fan service. That's not all.