"Once upon a time, the introduction of "Goblin Night" altered the fate of a fraction of the population, empowering them to metamorphose into creatures resembling goblins. Unfortunately, the government and law enforcement failed to contain those who misused their newfound abilities, causing widespread annihilation and societal collapse. In contemporary Japan, Mamoru and Yuki, individuals who possess the "goblin" capacity, tirelessly labor to safeguard their metropolis from further destruction. Nonetheless, Mamoru's traumatic recollections of his brother's demise during the Goblin Night affair have rendered him resentful and skeptical of those around him. Conflicts escalate when his sibling's murderer descends upon their city..."
