Xiao Se and autumn wind rise

This book focuses on exploration, supplemented by love. As the God in the sky, Hei laofeng, an old immortal who has lived for more than 1000 years, was sent to travel around the world and explore the mystery case together with Hu Yi. Adventure after adventure makes Hei laofeng and Hu Yi brothers who are friends of life and death. In the process of investigating a case, he never thought he would meet Cheng Nuo, a "friend" who likes to fight against each other. Cheng Nuo is just an ordinary explorer and has only a short life. Maybe they are a natural couple, but they are not people in the world... Slowly, he found that there are two hands behind every place he has been and every case he has investigated. As his last 10 years in the world, he must remove these tumors and return the world to peace.