Manga The Dark Queen and I Strike Back

My strength was the greatest strength in this world, and no one could argue or compete with me, for I am the most powerful creature. I am given a task to deal with the enemy. What? Are they ordinary people? Suddenly, I am transported to a parallel world, where I am considered suitable, who has enough strength to determine the development of this world. However, there are also monsters in this world that bring chaos and destruction? Is my intervention in all events correct? Should I kill monsters and help people? What should I do?