World-Saving is a Skill

A Hero Who Knows His Stuff · Cứu Thế Là Một Kỹ Năng · Guwoneun Seukirida · Menyelamatkan Dunia Adalah Keahlian · Salvar el Mundo es una Habilidad

For 20 years, Hyeonseok fought monsters in another world before finally managing to save it and be sent back to Earth as a reward. Now a former deliveryman named Chanseok, he looks forward to enjoy...