Summer Lesson Miyamoto Hikari Life-Size Figure and Figure Arts ZERO

You will get this costume DLC code for the game if you buy the Figure Arts ZERO.

Official site: http://tamashii.jp/special/summer-lesson/
Pamphlet: http://tamashii.jp/special/summer-lesson/img/20170316/human_SL_pamph.pdf
Figure Arts ZERO : http://tamashii.jp/item/11768/