Resized to 42% of original (view original)
Artist's commentary
あやしい薬を開発している化学の先生
おまけ
Ci-en ▶ http://ci-en.dlsite.com/creator/5383/article/1932575
FANBOX ▶ http://yuta.fanbox.cc/posts/12479328
Fantia ▶ http://fantia.jp/posts/4207754
Patreon ▶ http://patreon.com/posts/167551913

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