C2306 Parachute Jump
When Qin Guan was kicked out of the cabin by the scholar who made a mistake, he didn't think of this problem. To him, nothing could cause him to feel fear. He had come out and treated it as a kind of experience in his life.
But now, he finally thought of a terrifying problem. Laozi only wore a helmet. For the soundproofing, I even took off my helmet while talking to Captain Liu