It has been announced that the 4-koma manga Guraburu!, a spin-off of the Granblue Fantasyadaptation anime later this year. Along with the announcement, a short trailer and a promotional image were released, but no information about its production was given.
Trailer released:
Promotional image:
Granblue Fantasy is a strategy game available for Android and iOS, which has already had two seasons adapted into anime by studios A-1 Pictures and MAPPA, in addition to two OVAs, one of which premiered this year.
Via: Moetron