The Message on the Card

In which Kaito KID and Kuroba Kaito are different people, as are Conan and Shinichi:
"KUDO-KUN!! IT'S KID!! HE SENT A NOTICE TO THE STATION THIS MORNING!!"
"Again?" Conan pulls his phone back towards his ear. "It's the third one this week!"
[Cross-posted on AO3]