Tohoku Zunko is a copyright-free character that has becoming popular recently due to having vocaloid singer. and now she has anime (even Miku doesn’t have anime, I think)
They are asking support for english subtitles and better quality episodes. at the moment, $5,278 pledged of $10,000 goal with 3 days to go (This project will only be funded if it reaches its goal by Tue, June 27 2017 10:59 PM AWST.)
By clicking the link above, you can get the game for free from humblebundle. I think its until July 8th, 2017.