The Regressor Can Make Them All

회귀자가 다 만들어줌, The Regressor Makes Everything, The Regressor Makes It All, Hoegwijaga Da Mandeureojum, El Herrero que Regresó para Reparar Todo

Lee Saehoon, the blacksmith of humanity's last desperate united force, fought against the demons until the very end. However, the result was mutual destruction, with the world coming to an end. The moment he took his own life over that futile conclusion— "…What is this?" He had regressed to his days...