Reborn and Returned to a Hundred Years Ago, His Identity Was Exposed by the Diary

Salvation+Superpower+Travel+Not a cool article+Pseudo heroine Alien beasts invade, and humans fight for a hundred years! The eternal light has ended, and human civilization will eventually be annihilated... Reborn a hundred years ago, his identity was exposed by the diary! Make arrangements in advance to rewrite the destiny of mankind...