Watching this show I expected some magical bear fighting and such. I was so wrong
These are available via
Teepublic:
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https://www.teepublic.com/t-shirt/142249-yuri-approved-ginko
or Redbubble:
http://www.redbubble.com/people/bugadoodles/works/13985676-yuri-approved-lulu
http://www.redbubble.com/people/bugadoodles/works/13973494-yuri-approved-ginko