Nihon Ethics of Video Association

The Nihon Ethics of Video Association (NEVA) (日本ビデオ倫理協会, Nippon Bideo Rinri Kyōkai; "Japan Video Morality Association"), usually abbreviated as Viderin (official) or Biderin (both: ビデ倫), was a Japanese video rating organization. It was a voluntary organization to ensure adherence to Japanese obscenity laws, which prohibit any display of genitals.