My Invincible Bodyguard in the Wilderness

When Zhao Ji woke up, he found that he had arrived in the prehistoric era, during the legendary Longhan Catastrophe. He was depressed, how should he survive in this era where mysterious immortals were everywhere and golden immortals were as numerous as dogs. Fortunately, Zhao Ji has an invincible system that allows him to whip out a thug and bodyguard every year to show off his domineering dick. This time, Zhao Ji didn't have to worry. Zulong? Step on it! Yuanfeng? Step on it! First Qilin? Step on it! Sanqing? Still step on it! Preliminary mention and introduction? Don't step on this one, just kill it! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.