"The Goddess Salvation System" depicts the story of Frank, who unexpectedly traverses to a mysterious and perilous parallel world. There, he discovers himself as the partner of the Goddess, endowed with a series of mysterious abilities and tasks. As the Chosen One, he not only possesses formidable reproductive powers but also can acquire abundant experience and skills through faith connections and sacrifices. While exploring the unknown, Frank must make careful choices to survive and achieve his goals in this enigmatic parallel world.