Natural Doctrine's story and gameplay details have been revealed.

The fantasy strategy RPG, developed by Kadokawa Games, will star If, who will also act as the narrator in the single-player campaign.

If is accompanied on his adventure by two girls, Vashiri and Anka, according to Dengeki PlayStation (via Gematsu).

The core mechanics see players engaging in turn-based battles and manipulating time, and allow multiple units to be controlled at the same time.

Characters can set up camps and attack enemies' bases.

Natural Doctrine - which is being produced by Patapon director Atsushi Li - also includes co-operative and competitive multiplayer.

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The game will be a PS4 launch title in Japan, with a February 22 launch date.

It will be released at the same time on PS3 and PS Vita, and will feature cross-play and cross-save compatibility.