To commemorate Lantis’ 20th year, the main Gamers store, in Akihabara, will have a special corner featuring Lantis artists. And from May 8~26th, if you buy a Granrodeo CD/DVD/Blu-ray at the store, you will receive a special campaign bromide (see above). For more details, see the Lantis announcement.
The above L-size bromide is available, while supplies last, for customers buying Granrodeo releases at the 「Anison-Rの春まつり!!」today at Zepp Sapporo. Source: http://www.granrodeo.net/news/2018/03/Anison.php
Purchase a Lantis-released Granrodeo CD or BD/DVD product at Animax Musix Osaka this weekend and get one of the above bromides while they last. (One per customer.) Source: http://www.granrodeo.net/news/2018/02/animaxmusix.php
Attendees buying Granrodeo CDs at the sale booth this Saturday in Osaka will get a special L-size bromide. Details can be found here.
Fans who spend at least 2,000 yen on Granrodeo CDs at tomorrow’s event will get a bromide with replica signature.
No picture yet, but it was announced today that fans who purchase the Flow x Granrodeo single at Animate will receive a special bromide.