One month after Subaru's new life begins in another world, a messenger sent from the royal castle suddenly appears with the news that the royal selection has been postponed, but does not provide a reason for it. The postponement of this major event, which will determine the next ruler of the Kingdom of Lugunica, prompts Subaru and his friends to take action. They return to the royal capital and discover that a sixth candidate has claimed her share of the throne. However, the Dragon Stone prophesies that only five candidates will be chosen. Since one of the candidates is a fraud, suspicion immediately falls on a certain woman: Emilia. What answers lie beyond the mysterious web of assassination attempts, betrayal, and conspiracies?.