Spike Chunsoft has released a lengthy new trailer for Exist Archive: The Other Side of the Sky introducing the game’s ins and outs.

Exist Archive is a side-view RPG in the vein of Valkyrie Profile developed by tri-Ace, the developers of Valkyrie Profile. It is set in modern day Tokyo / on the planet Protolexa. One day, an explosion in Tokyo caused by the evil god Yamatoga kills the game’s 12 heroes, including protagonist Kanata Kujou. As a result, those 12 become immortal and harbor within them the soul of the evil god, and get wrapped up in the gods’ quarrels.

The game is due out for PlayStation 4 and PS Vita in Japan on December 17.

Watch the introduction trailer below.