Cute art! The sketch you are referring must be this one by Hitoshi Ariga, the artist who illustrated the webcomic:
https://twitter.com/i/web/status/543414988736438273
Cute art! The sketch you are referring must be this one by Hitoshi Ariga, the artist who illustrated the webcomic:
https://twitter.com/i/web/status/543414988736438273
Wow, you found it! Thank you!
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