At the national fencing championship, Yumi Kujikawa has to balance the ethics of competing as a superpowered individual, the ghost haunting her, her cursed ancestral katana... And her nemesis Danielle Swain, member of a network of international assassins, who is playing a treacherous game... Oh, and Yumi's growing crush on her cute team manager, Lisa! Drama! Secrets! Swords!