Besides the previously announced Detective Pikachu pre-order bonuses at Pokemon Center, other retailers in Japan will be offering their own set of exclusive bonuses.
First up, Amazon Japan is throwing in an original microfiber cloth featuring Detective Pikachu. Import yours from Amazon Japan (keep in mind you cannot play Japanese region 3DS titles on American/European region systems).
Next, WonderGoo is offering a B6 size notebook. Here’s a look:
Detective Pikachu launches March 23, 2018 on Nintendo 3DS worldwide.