Myth descends, and the gods return.
Not a blessing, but an invasion. Not faith, but disaster.
Norse wolves devour the moon, Greek calamities awaken in the mortal world, and myths across the globe revive in unison, devouring reality step by step in the order recorded in ancient texts.
Shen Li, a graduate student in history, unexpectedly acquires a future guidebook called A Guide to Mythological Invasions, becoming the only person able to decipher the patterns behind the invasions. But he soon discovers that the guidebook is no cure-all. Resolving each mythological event demands a choice from which he can never turn back.