Square Enix aired a short version of the opening animation video on Friday for its Door of Nightmares RPG for smartphone, which will feature character design and world building by Fairy tale and Edens Zero manga creator Hiro Mashima.

Square Enix also released a character trailer for Azel on Saturday.

The cast includes (Note: Romanizations of character names are unofficial):

The game is intended for iOS and Android, but Square Enix has yet to reveal a release date. The game was accepting beta test requests until June 25 and is currently open for pre-registration. The game will be free to play but will include optional in-game purchases.

The game is a traditional sword and witchcraft fantasy set in the real world and Lemurias, a parallel world where people’s dreams blend together and come true. On Lemurias, monstrous creatures known as Nightmares arose out of the fear and torment of the people. The story begins with the meeting of the girl Emma and the boy Azel. Emma is a Nightwalker, trained to fight using nightmares. Azel is a boy who seems to attract nightmares to him.

Jin Fujisawa, the screenwriter of many games in Square Enixis long standing Dragon Quest RPG series, writes the game’s storyline. Yasuharu Takanashi, who composed the music for Mashima’s TV anime Fairy tale manga, compose the music for the game.

Sources: Square Enix‘s Youtube channel (link 2), 4Gamer (鼬)