21 century retrogression summary: You are reading 21 century retrogression manga, one of the most popular manga covering in Action, Martial arts, Mystery, Manhwa genres, written by at MangaBuddy, a top manga site to offering for free. 21 century retrogression has 58 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add 21 century retrogression to your bookmark. Ha pung gae, old Taoist monk, who has lived since the end of joseon Dynasty, unexpectedly succeeds in the counter-retrogression movement. However, even if successful, he has only about ten years left in his remaining lifespan. In order to avoid death, he must become immortal!