Katainaka no Ossan, Kensei ni Naru EP11 - The Old Country Bumpkin Throws Himself into a Deadly Fight

Beryl helps protect the royal family from assassins, but the assassins all kill themselves, and any clues to the mastermind are lost. Lucy thinks a conflict between royalty and religion is at play. Despite Beryl wanting to cancel the tour of the capital to keep the prince safe, the plan goes ahead.