The name comes from the location where the conspirators met, a mountain villa belonging to Jōken Hōin, in the Shishi Valley (Shishigatani) in the Higashiyama area of Kyoto.
The name is derived from the site where the plotters convened, a hillside estate belonging to Jōken Hōin, located in the Shishi Valley (Shishigatani) area of Kyoto's Higashiyama district.