Apostle of the Human World

The unknown history, the tragedy repeated in modern times, the pinnacle of darkness, the king of the night, the darkness will be dominated by him, he is the pinnacle, he is the king, killing people invisible, the darkness is his world, dominating the world, unrivaled, reaching the peak step by step, the Apostle God Dagger! Please explain, this book does not have a harem or a stallion, the heroine is just one... I am a student who is going to be in the third grade of junior high school, and breaking up is common. I hope everyone can forgive me. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.