Naomi Oba, known as simply Naomi in the English version, is a character appearing in the Yu-Gi-Oh! 5D's Tag Force games. In Tag Force 4-6, she is a student at Duel Academy in New Domino City. Naomi's most notable characteristic is her dislike towards men in general, regardless of their age - on the other hand, she is much nicer towards other women. She is also obsessed with cleanliness. Naomi uses Lightsworn Decks.