Replying...
Intro. This is earth but 2.6 million years ago in the ice age time line. You can be any animal from this era but if you really want to be a human then you can. If you want humans to exist in this timeline then you can do that too.

The ice age era ♪⁠┌⁠|⁠∵⁠|⁠┘⁠♪

@.