```html
Chu Zhiyuan sat back in his original seat, while Chu Zhiyao vigorously patted his shoulder, chuckling non-stop.
The others glanced over, smiling at him, their eyes full of admiration.
Only Prince Zhuang and his peers remained composed, merely smiling faintly, as if it were just a trivial matter.
Prince Zhuang said with a smile, "Your Highness, thank you for letting us win. As per our agreement, we shall proceed accordingly."
"Agreed." Prince Ying smiled and said, "The Fourth Prince can come back with us and freely choose which princess to marry."
Prince Zhuang nodded with a smile, "Your Highness is truly a trustworthy person."
Prince Ying laughed, "Whether our Da Zhen marries off a princess or takes one in, our two countries can consider themselves as one family, it's a cause for celebration."
"A cause for celebration! Come, let us raise a glass to the future of Da Jing and Da Zhen!" Prince Zhuang stood up, raising his glass.