It was time for the Zuo siblings to shine, but this really had nothing much to do with Ye Shuang. After all, she was just taking a cameo role—she was not a paid actress. She helped because it was sort of within her responsibility, but when things were getting back on track, it was natural for her to leave as well.
Asset investigation was the responsibility of the trader, and then the renegotiation after the investigation was Han Chu's work. Even if Han Chu told Ye Shuang to take up the job when that happened, it could be solved via a video conference. Therefore, Ye Shuang had no reason to stay in Chaohai.