The Apocalypse Immortal System

If you were given a chance to correct all your mistakes and improve yourself by turning you back before the apocalypse, what would you do? Will you do your best to save your family, friends, and love ones? Rico, a normal citizen of a developing country named Philippines, who once experienced apocalypse in his previous life, was given a chance to possess an unexpected system granted by an unknown celestial being. How will the protagonist change his life as he embarks with the challenge of the apocalypse?