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by Mitsuya Otosu (Author), Izumi (Created by), Atiki (Illustrator)
As part of Harold's plan to avoid the worst possible future-- his own demise-- he approaches Tasuku Sumeragi with a deal the man simply cannot refuse! But that's not all; when Harold asks for a training partner to improve his swordsmanship, he soon finds that his new rival is none other than Erika's brother!