ぬ, in hiragana, or ヌ in katakana is one of the Japanese kana, which each represent one mora. They are derived from the Chinese character 奴. Mnemonic 1: This is a number 7, written, as is often done, with a stroke through the middle. On a planet with 7 suns, ‘noon’ occurs very frequently. Pronunciation - Pronounced as the Japanese 'nu'.