Rei nodded as she was listening to Ben's words, and those words from Ben regarding Satoshi successfully triggered Rei's curiosity towards that guy, Satoshi.
From that time when Satoshi nearly killed Rei with an arrow till their latest interaction recently, Rei never liked that guy for a single but and it has nothing to do with his identity, position or look, it's purely because of the first impression he gave her, from all the behaviours she noticed from Satoshi, whether to the King or Rei herself, it gives a feeling that he is a frivolous and disrespectful person.
