Update v1.31:

Zooey has been added as a playable character and additional weapons are now available in RPG Mode. Additionally, updates and bug fixes have been applied to certain modes.

For more information, please refer to the following URL:
http://granbluefantasyvs.com/news/2020/04/27/steam-ver-1-31-patch-notes/

Steam Version Update
V-sync option has been added.