If you're looking for anime similar to Hamatora: The Novel (Light Novel), you might like these titles.
Ryo Matsumoto is down on his luck; his manuscript has been rejected, and after a night out drinking he is nearly run down by a panicking pedestrian. As if things couldn’t get worse, the pedestrian is then gunned down and the assassin has his sights set on Ryo; he survives only due to running into a police patrol. The next day Ryo meets a beautiful girl who runs across a letter addressed to a professor of antiquities inside Ryo’s manuscript. A mysterious letter, a beautiful girl, high speed chases, danger and death; just like the scripts Ryo tries to write! But is Ryo the hero of this story, or just another victim?
Butlers: They are guardians that hold a thousand-year history and a certain fate. Jay lived in peace with his little sister Tenna and a fellow Butler named Hayakawa. However, those peaceful days came to a sudden end. Tenna was swallowed up into the void and Jay was sent a hundred years into the future. Jay finds there is now an academy called Koyomi Academy standing in the place where his mansion once stood. Jay took up the name Jinguji Koma and became the student council president of the school as he looks for clues about the past. Jay will eventually find out the truth behind this world.
The story is set in Japan after a "Rusting Wind" has coroded everything. People live in fear of the rust that corrodes cities and life in general. A boy named Bisco Akaboshi from the despised Mushroom Guardian tribe embarks on a journey to obtain the "Rust-Eating" mushroom — a miracle drug that purifies all rust — to save his dying teacher. During his journey, Bisco encounters Miro Nekoyanagi, a good-looking young doctor at Imihama, and together they search for a countermeasure against the rust consuming Miro's beloved big sister.