Wheeling Gull Isle here we go.

He was unaware of Ruo's terrors. Unaware of an abuse by the wolves that should have been the ones to protect her - her family. In this sense, the pair were more alike then they realised.

Though Ying and Hua had only briefly hinted at an upbringing not so great, Aiolos was mostly blissfully ignorant to it. 

Do you think that some of them had returned home? He had perhaps thought his own, the few of the Nereides tribe he had been a part of which had come here, had returned to their home because of how different things were here. How it did not fit to their customs and tradition. Perhaps the former Yuelong family members had done the same?