Kill Monsters, Get Rich

After leaving the army, the protagonist finds that adapting to civilian life is only the beginning of his challenges. One fateful night, he and his sister intervene to save a woman from an attack, unveiling a world where magic and monsters exist. With newfound abilities that make him adept at taking down these supernatural threats, he discovers that earning a living by hunting monsters is not only possible but also lucrative. Along the way, he navigates multiple romantic relationships that add complexity to his journey.