A masterpiece by Yeom Bi, the author of 'Two Status Windows' and 'The Sword God Returns After 1000 Years'! 'The Martial Saint Who Regressed to Level 2' [NO. 4212. 'Humanity', demotion match defeat.] [Initiating the deletion of humanity.] Seong Ji-han, the last survivor of Earth and known as the Martial Saint, regresses to the 'First Era' after failing the final mission and facing death. -I, Yun Se-jin, have decided to live as a Japanese from today! -Please call me Ito Ryuhei from now on. Upon waking up, he sees the news of his brother-in-law, known as the Sword King of Korea, betraying the country. "...I'll deal with that guy first." Watch the relentless journey of Seong Ji-han, the martial saint of Korea, as he thoroughly plans his revenge and saves the doomed future, striving for peace!