I visited the Beastkin village, was told to come back after a day, did so, spoke to the shaman.  She told me to go speak to Mae while she finished preparing, and that Mae was in the village.  But I can't find Mae.  I am not sure, but it might be this error:

SCRIPT ERROR: make_quest: Invalid get index 'code' (on base: 'Nil').

   At: res://src/core/world_gen.gd:466.

Also the Fighters Guild still fails to generate Hard quests sometimes.

SCRIPT ERROR: make_quest_for_guild: Invalid set index 'source' (on base: 'Nil') with value of type 'String'.

I'm also having a similar enough issue, so I think it just might not be fully complete right now and this is the end of the current story content until the next or a following update, since I don't even see an option on the page at all; a slight edit, apparently some people have gotten past this part themselves? Not entirely sure, it seems like this is the first version {0.6.1} that has this quest, I personally have zero idea what is going on.

I have a similar issue. 

I'm using the most recent version. 

When I rescue the tanuki girl I get kicked out of the ritual site and I can't go back or perform the ritual at the beastkin camp or anywheer else.

The current version is 6.1a. 6.1 had several issues. Even with 6.1a, I think a new game is needed to get through that quest. The quest is finished - the whole 2nd arc is complete. Although there are still some text placeholders. If you still have issues, post the issue in as much detail as you can, along with a log file to show errors, and a screenshot to the Strive: Conquest discord.

hello I was wonder if anyone had fixed this bug yet?

The game is now at version 8.5. I have completed the Beastkin ritual several times. I always start a new game with each new version.