Guarda Streamingcommunity. In the 15th year of the Genroku era (1688), the world praised the 47 ronin who avenged the death of their master Asano Takumi-no-kami. Shogun Tsunayoshi, who ruled at that time, experienced difficulties in what punishment to impose on the soldiers. As a result, it was decided to sentence them to seppuk (ritual suicide).