Uchimura tried to negotiate a deal with the Merchant's Guild to solve the post-calamity food shortage, but his attempts were all foiled by the wicked Viper and his tricks. Determined to turn the tables, Uchimura pulls out the aces up his sleeve: a former enemy and a frail young girl with the courage to come forward with the truth. "By the power invested in me as a Heavenly King for the Demon Army, you're under arrest." Viper finally faces the hammer of justice—only for the Demon Army to find itself in a new and unexpected bind!