Divination.
Adam remembered writing down the dreams last term in his log, and seeing how that connected with his future life. In a weird way the one about spies and him being a sidekick to Kurumi was seeming to become true, so this interest him more.
Dreams impressed him deeply how it can say something about who you are or what emotions you are feeling.
He entered class and sat at the very front, to get the best out of it.