This... This elder brother I have seen before.... Dressed as Lin Daiyu's younger brother, when Bao Dai first met, Lin Song stole Jia Baoyu's lines and asked Jia Baoyu every sentence. Never forget anything, Lonely Lin, a fairy land outside the world. Make your spring and autumn dream. ...... Know the plot, master the system. There are alien races rising in the north, and the sword is about to break the prosperous age of Dayu. Seeing that the king of Nan'an will be defeated, Lin Song bucks the trend! He invites himself into the Ministry of Industry and works as a craftsman to make crossbows. He has successfully made crossbows 100 times, achieved new achievements, and won AK74 Drawings. Aliens, let’s see if your arrows are faster, or my guns are faster! Make AK74. Successfully make AK74 100 times, achieve new achievements, and get artillery blueprints. Aliens, want to know the scope of truth?