C818 It's so Beautiful
Elder Brother Jin's name was Jin Wuyi. He probably misunderstood Wang Yu's intention and thought that he would be lurking around for a long time.
In truth, if Wang Yu did not have something to do, he wanted to return to the Heavenly Empire immediately.
He then told the royal family about the mech's password.
Jin Wuyi was an important official of the Yue Kingdom