They were also able to meet his younger sister. If Herro didn't know of Eina beforehand, his reaction would have been the same as the reaction of others. He would also think that Eman and Sol are a married couple and their child is Eina.
After Eman's conversation with Instructor Stuwart, he immediately returned to the barracks where Sol and Eina were waiting. But, as he walked back, the glances of the other students around were noticeable. He also heard some whispered words. However, Eman chose not to pay attention to it.