Resized to 40% of original (view original)
Artist's commentary
ニヤニヤ教授
リクエストで描きました
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差分はこちらです
You can see the full resolution, variations and PSD files on my Fanbox or Patreon! Thank you for your support
https://kinbakuman.fanbox.cc/posts/8789191
https://www.patreon.com/posts/professor-smug-114928479