A new hotshot Burst Linker appears, taking Silver Crow down. Haruyuki, still struggling to obtain the Theoretical Mirror ability, sees Wolfram Cerberus as a roadblock in his larger quest to get stronger and defeat Archangel Metatron. He soon meets Chocolat Puppeteer, a duel avatar made out of...chocolate?! With her help, will Silver Crow finally grow into the fighter all seven legions need to successfully carry out their mission against Metatron?