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Artist's commentary
ボタン（Penny）
Skebでした。
募集中↓
https://skeb.jp/@Got0_Naisho
PSD＆差分
https://got0-naisho.fanbox.cc/posts/9988426
https://ci-en.dlsite.com/creator/20114/article/1462460
https://fantia.jp/posts/3467045
I can't put the Patre0n link, you'll have to search "goto_naisho" for it.