Question: The Lords of the Akō Domain in Harima Province associated with the story of what 18th-century historical event in Japan in which a band of "rōnin" (leaderless samurai) avenged the death of their master?
Sentence (from "Takebayashi Takashige"): He was involved in the revenge of the Forty-seven Ronin incident (also known as the Akō incident) as one of the ronin.
Relevant evidence: No