I Became an SSS-Class Extra in the Apocalypse

April 1st. Just like a joke, I got trapped in an apocalyptic novel with a grim ending where the protagonist faces the destruction of Earth… And I was just an unnamed extra who dies early in the story. But the keyword #Apocalypse? I actually like it. You see, I’m a psychopathic diehard fan of apocalyptic fiction. The end of the world! The extinction of humanity! That’s exactly the ending I was hoping for! I don’t care what happens to others, so I’ll just find a secret shelter, live a carefree life, and perish along with the Earth! …Or so I thought. Where’s the block button? Ugh, I have no interest in saving humanity, so stop sending me spam emails…! ✦ Moreover, the protagonist, who...