Japanese title: ペンギンズ・ジャーニーExRelease: Comiket 93Melonbooks: https://www.melonbooks.co.jp/detail/detail.php?product_id=348752Pixiv: pixiv #66292207Niconico Seiga: http://seiga.nicovideo.jp/watch/mg289972Togetter (with additional commentaries): https://togetter.com/li/1183200
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