Alongside its anime adaptation in April 2017, light novel series Grimoire of Zero will getting a smartphone game this summer in Japan. The game is being jointly-developed by GREE in collaboration with Kadokawa ASCII and Media Works.
Grimoire of Zero takes place in a world of sorcery and magic, where you will follow the adventures of Zero, a witch seeking a tome named “The Grimoire of Zero” which is rumoured to be so powerful it can destroy the world. Joining you will be ragtag of adventurers that is probably only familiar to you if you have read the light novels.
Details of the game remains unknown for the time being, although it does seem like you will be able to create your very own crew in what seems to be a typical RPG setup. If you are curious, know that pre-registration is now up on the game’s official website, with rewards to be added as more people sign up, so get on it!