Niantic cooperated with Japanese printing company Dai Nippon Printing(大日本印刷) in geolocation mobile game Ingress and registered Maruzen, Junkudo and Bunkyodo which are group bookstore of them as portal. They have 281 branches in Japan, and all of them become the portal of Ingress.
In commemoration of this, Niantic showed original back story about these portals. It is shown in free(but unfortunately it is written only in Japanese).
Furthermore, these bookstores present a bookmark of Ingress to customers as campaign.
In addition, the Japanese version of the official novel of Ingress "The Niantic Project: Ingress" was released on October 27. Japanese fans of Ingress seem to increase more from now on.