Collapse of Iron: the Intertwining of Foolish Worlds

This book tells the story of Kevin, who has the title of "Savior" in "Honkai Impact 3", and Otto, the bishop of Destiny. The two "big villains" came to the world of "Honkai Star Railroad" together. For their respective goals, they joined forces as partners to rebuild Destiny in this new universe, making various arrangements... "Friend, this has nothing to do with right or wrong. Aren't people always like this? Knowing that it is wrong, knowing that there will be no recovery..." ………… "The destruction of the world is a foregone conclusion, and someone has to bear the fate of destruction... A moth flying into the flame may destroy itself, or it can live toward death..."