Today, Sega announced that Hatsune Miku: Project Diva Mega 39’s will have a new T-shirt costume designed by the fans.
The contest submission process is being done via Piapro, and winners will receive a free copy of the game and their name in the credits. The contest is open until August 5, 2019, and the results will be announced in September 2019.
The official page for the collaboration can be found here.
Hatsune Miku: Project Diva Mega 39’s releases for Nintendo Switch in early 2020. You can check out the reveal trailer here.