While we wait for Final Fantasy XV final DLC that comes out in March, Square Enix have something they might unveil round that time too, reference here in a seemingly new Twitter post.
SQUARE ENIX's new game『LAST IDEA ラストイデア』official Verified account.
— LAST IDEA ラストイデア (@LASTIDEA_RPG) February 20, 2019
Nobody knows what Last Idea is yet. Could it be a mobile title? Or a game in the vein of Final Fantasy based on the title naming alone.
Whatever it is, this could be something interesting,folks.