I believe you. [He says it without hesitation, but Kyousuke's expression is anything but happy knowing that such things would be hard for a child not to say to anyone. It feels too much like what an esper child might experience for comfort, and he's more subdued after thinking about that bit.]

But your brother's right...you probably shouldn't tell too many people about this. It could put the both of you in danger if someone who shouldn't know about that world gets their hands on it. [Like Black Phantom; who even knew how they would have attempted to exploit this Digital World if they could?]