The Strength of A Protector - The Guardian Series, #1

After Harry accidentally gains superpowers in Paris, he becomes a hero in the eyes of the people. However, his actions also raise questions from the public. In the course of investigating the dark forces, he receives help from Isabella and the support of Ellis' inventions. Together, they experience fierce battles, while facing the test of friendship and the budding of love. In the constant confrontation with the dark forces, Harry and his friends gradually approach the truth, but also face life-and-death choices and greater crises.