Resonance…
Yes, it was a sense of resonance that could be heard from his voice.
That was because he felt that his family had been betrayed by the royal family all this time, so now that he saw me who had also been 'betrayed' by the royal family like this, he felt that we were similar.
That was why he went as far as revealing himself like this.
He was confident enough that he would be able to convince me to side with him against the royal family, which was why he wasn't afraid to show himself like this.
This was not something that I had expected when the fourth prince and I came up with this plan, but this was definitely something that I could use. After all, the trust gained from a misunderstanding was the best way that something could turn out.
It meant that I wouldn't have to do a single thing to gain the trust of this person who I wanted the trust of.
That would without a doubt make things much easier.