The Kyo Revolutionary Society (Kyo: 쿄 혁명적 사회, Kyo Hyeogmyeongjeog Sahoe; Abbr. KRS), known commonly as the Kyohyeogsa (쿄혁사), was a nationalist Kyo political party in the Kingdom of Dankuk. The party originally formed as the Revolutionary Committee of the Kyo Defense Force, despite lacking an affiliation with the Kyo Defense Force. The KRS, and its leaders Lee Dong-seung and Lu Min-wei, were responsible for the Great Kyo Revolution of 3608, which toppled the Republic of Dranland and established the Kyo nation of Dankuk.