Luna, known as Ruka (龍可, Ruka) in the Japanese version, is a character in Yu-Gi-Oh! 5D's Duel Transer. This is a video game depiction of Luna, a character from the Yu-Gi-Oh! 5D's anime.
Luna is an optional opponent in Yggdrasil 2F, and a mandatory opponent in Yggdrasil 5F and Bifröst 6F.