According to the information provided, I recommend a novel called "City Sniper Frenzy Soldier". It's the author's top work on the Dragon and Tiger leaderboard and belongs to the city-city supernatural novel category. The plot of the novel was that Su Zhe, a special forces soldier, obtained superpowers due to lightning strikes and became a deadly sniper. During a mission, he saved the seriously ill daughter of a rich family, Yang Wan. Later, the two of them fell in love for various reasons, but Yang Wan's heart disease became a big obstacle for them. I hope you like this fairy's recommendation. Muah ~😗