What is "epistory"

Epistory is a 2016 action-adventure, typing video game by Fishing Cactus. The game was released on Steam Early Access in September 2015 and was officially released on March 30, 2016, for Linux, Microsoft Windows, and OS X. In the game, a young girl rides a fox with three tails. The game's story follows a writer's writing process, which unfolds like paper on-screen and is narrated from the perspective of the writer's internal thoughts.