Fighting anime girls? Region free? With Linux support?

Oh yes. ^^

For other Anime giveaways see -

Echo Tokyo: An Intro - https://www.steamgifts.com/giveaway/W5BUk/echo-tokyo-an-intro (REGION FREE)
Sakura Beach - https://www.steamgifts.com/giveaway/w3yQS/sakura-beach (REGION FREE)
Sakura Beach 2 - https://www.steamgifts.com/giveaway/hQZSg/sakura-beach-2 (REGION FREE)
Sakura Santa - https://www.steamgifts.com/giveaway/ZtFjU/sakura-santa (RU/CIS only)
Huniepop Digital Art Collection - https://www.steamgifts.com/giveaway/SOwha/huniepop-official-digital-art-collection (RU/CIS only)

Invitations to Anime groups would be much appreciated, but by no means required.

Happy new year! Или с новым годом!
Good luck! Или удачи)