C309 Such a Relationship

But as I told him everything as a friend, he slowly got used to it. Thus, in this way, the things between us will be known to each other.

That's why he knows that he's hiding it from me. After I got angry at his thoughts, he slowly tried to tell me. Now, he's used to it. He said it naturally because it was a little awkward. When I heard what was on his mind