Instructions
Play the "Story" mode of "Yu-Gi-Oh! 5D's Tag Force 4."
Select Akiza as your partner. There are four battles in Akiza's storyline. You must fill up her heart gauge before each battle. Give Akiza items such as card holders and fruit to fill her heart gauge.
Play through Akiza's storyline. The final fight in Akiza's story is a tag battle that puts you and her against Misty Tredwell and Carly Carmine. For this battle, keep some of your monsters in defense mode and use cards that will allow you to destroy Misty and Carly's powerful spell and trap cards.
Watch the cut-scene after the final battle. When the cut-scene has finished, you will be given three Black Rose Dragon cards.