This is one of the few times Shuichi is called out for his lack of consideration. And it would happen to be Kirumi doing it. This is significant because she does the exact same - and then some - in this chapter’s trial, emphasising that he is self-righteous and doesn’t truly listen to others.

In this case, Shuichi betrays a lack of introspection; that is, because the detail in question concerns him and his latent ability, he avoids it. Almost instinctively…