Reincarnated as a Fallen Noble, I Will Raise a Kingdom of the Dead!

A salaryman named Takahashi Yuki is reincarnated into another world. He finds himself reborn after being hit by a train. In this new world, he is the son of a noble named Marquis Vallerstein. His family’s territory lies on the border between the monster lands and the Virelia Empire. His dream of enjoying a peaceful new life is shattered, as he was born in a land plagued by constant conflict. He is often bullied by his older brothers for being talentless. One day, a disaster known as "The Great Flood of Monsters" strikes. An unstable dungeon causes the surrounding monsters to grow aggressive, devastating the Marquis’s domain. The destruction is unavoidable. In the catastrophe, his entire family perishes. He runs for his life and manages to escape. During his flight, a miracle occurs—his hidden talent awakens on his 8th birthday. He obtains the Necromancer job—a rare class specializing in controlling the dead. Can he survive and rebuild his fallen land?