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Emperor Yuanyou said with a smile, "whoever wants his Hai Dongqing, I just teased for a while, and then my mother turned the corner to remind me not to play with things. Instead of giving these things, I look forward to new progress in the development of firearms on his side.",Sun snorted: "how many of us behave ourselves, but you may offend people outside. Does the eldest princess want to ask you to play chess again",Chen Tingjian doesn't enjoy being busy, but the bigger the official is, the heavier the burden is, so he can only get up early.。

• latest chapter： End of the text (In the spring of the fourth year of Yuanyou