Ep. 1: Change the World

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Asuka and Yumi run into each other while doing their Christmas shopping and spend some time together, talking about how they balance their lives as both high school girls and shinobi. While Yumi searches for a present that Asuka dropped, the other Hanzo girls are suddenly attacked by two girls named Gekkou and Senkou, who then proceed to attack Asuka, completely overpowering her. (Source: Wikipedia)