This week's Shonen Sunday issue 33 (released on Wednesday... as Shonen Sunday typically is), features the debut of Kekkaishi author author Yellow Tanabe's new manga Birdmen, a special price, and bonus booklet. So, Magi, Silver Spoon and Detective Conan are out promoting the summer festivities.
Stores carrying special bonus clear files include
Store specific clear files
Circle K Sunkus