・This is a prize from the Tokyo Booksellers Association's "Good Things Happen at Bookstores" campaign, a collaboration with "Blue Lock" for a digital stamp rally. ・It is 12cm tall and 9cm wide. ・The characters printed on it are as follows: Yoichi Isagi Meguru Bachira Hyoma Chigiri Seishiro Nagi Reo Mikage Rin Itoshi Ryusei Shido Hiori Yo Aiku Oliver Sae Itoshi