My Senior Brother Is Low-Key and Cautious

Yang Xu, male, senior brother Wan Jianfeng! Cao Yan'er: "My senior brother has been dormant for many years. If he doesn't fly, he has soared into the sky. If he doesn't sing, he has become a blockbuster!" "Excuse me, except my senior brother, who can soar to two great realms in one year!" "Excuse me, except my senior brother, who can cut out the void with a sword at the age of eighteen!" "Senior brother, the greater the ability, the greater the responsibility. It's time for you to get out of the mountain!" Yang Xu: "Junior sister, keep a low profile, keep a low profile! There are many dangers in this world that you don't expect. If you are too high-profile, people will die..."