Traveling in the Mountains and Rivers with You

In an accident, Yan Fengqing, a sophomore high school student, and his sister traveled into a novel written by his sister Yan Shuangshuang. There was a system in it that sent tasks to Yan Shuangshuang, but Yan Fengqing did not. He was told that he had become a character in the novel. In order to save her sister and return home, Yan Fengqing actively cooperated... Concept: Love seems to be very rare in the world