People in the Book: I became the protagonist's younger brother

Story of: People in the Book: I became the protagonist's younger brotherAfter waking up, Yang Tian found himself in a novel world about the reincarnation of the Immortal Emperor. He even became the protagonist's younger brother. The most important thing is that there is a system! "Ding! System tasks are issued. Host, please find a way to survive the pursuit of ten wolfhounds! After surviving, you will receive system rewards!" "Ye Chen, help me quickly, there are wolfhounds chasing me!" "Ding! System tasks are issued. Please survive the pursuit of top killers!" "Ye Chen!" "Ding!" Yang Tian stretched out the finger that had just cleaned his ear and said: "Close the door and release the protagonist!"