Aqua Chorus is a character version of the card, "Aqua Chorus". Aqua Chorus appears in the video game, Yu-Gi-Oh! World Championship 2007. She appears as a Level Three Limited Duelist and she challenges the player to include 3 copies of each card in the Deck. By beating her, the player gets closer to unlocking Level Four Limited Duelists and a new Booster Pack.