You're a deer. You do deer things. It's pretty cute. The whole game is over in 10 to 15 minutes, maybe 30 if you decide to use the back button to explore all endings.
The language is strange, perhaps intentionally strange, but at some places it seems just accidentally ungrammatical.
(Spoiler - click to show)At one point, you meet a deer who's hurt, and you have the option to try to save the deer. You do, but the other deer then apparently walks away from the accident, apparently uninjured…? This seems like a bug.