A crisp and icy voice entered Gu Fei's ears, who was on duty at the security booth.,Hearing the affirmative reply, the person, with their eyes hidden behind black-rimmed glasses, carefully scrutinized Gu Fei for two rounds. A pair of slender eyebrows slightly furrowed.,At the same time, a wave of heat arose from his body, surging straight to his dantian. Finally, the cold and hot qi converged in the dantian, interflowing and merging, becoming one and sinking into the dantian.。