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"The Last Boss Who Causes a Great Massacre— In the world I was reincarnated into, my favorite character's life held tragedies that were never depicted in the game? This is the love story of a supporting noble lady who cherishes and protects her favorite character and a once-lonely former final boss who gradually opens his heart to her actions."
A story about my rise from a humiliating NEET life to the strongest hero! The secret ingredient? The shattered and broken “weakest weapon?!” It turned out to be the only weapon in the world that levels up. Alongside the weakest weapon, this is the story of a ridiculed failure of a protagonist that ends up as a hero that saves the world!