Amidst the Mikawa Conflict, Tori and his allies seize the chance to rescue Horizon from the Testament Union. However, as Musashi heads towards England, Tres España readies for a showdown with the British. With Horizon's emotional journey reaching its peak, Tori faces a new challenge in the realm of the Fairy Queen. The enigmatic Testament's history unfolds, unveiling the power of the Armor of Deadly Sins in the thrilling second season of Horizon in the Middle of Nowhere!