/eyes lit up like he just heard the most beautiful thing in the world
“Whoaa… how did Papa know? You’re amazing! Yeah, that sounds really good to me! But wouldn’t I be a bother? I’m sure Papa is a very busy person! You’re a detective right? Just like Heiji-niichan!”
“Hey, what kind of a senpai would I be if I didn’t make some time for my most wonderful kohai Conan-kun, hmm? Besides, I really need to learn to take a break from time to time, and this sounds like an ideal opportunity. And, ah, since you’re already so well-read, we can take turns reading if you like? Practice your English, perhaps. I understand that you’re far ahead of the rest of your class in your grasp of it; a little more work and I’m certain that you’ll be absolutely fluent!”