https://otakurepublic.com/product/product_page_1619627.html?ref=mail_shipped
this circle http://www.doujinshi.org/browse/author/26114/Mashuroo/

Suruga-ya - https://www.suruga-ya.jp/kaitori_detail/ZHOMI210708

Artist - Sori (そり) (ソリ)

Circle - Hakaana (墓穴) (ハカアナ)

Other Circle - BK2-ya (BK2屋)

Sori Home Page (Entry) - http://sirosori.web.fc2.com/

Sori Home Page - http://sirosori.web.fc2.com/second.html

Sori Blog - http://sirosori.jugem.jp/

Sori Pixiv - https://www.pixiv.net/member.php?id=599705

Sori Booth - https://sirosori.booth.pm/

Sori Twitter - https://twitter.com/sirosori

Sori Twitter (TRPG) - https://twitter.com/sirosori_trpg

Sori Twitter (Twins) - https://twitter.com/sirosori_twins

Writer - Mashuroo (ましゅろ~) (マシュロ~)

Circle - Aoku Ekitai (青く液態) <- Not verified

Mashuroo Home Page (Entry) - http://www.usamimi.info/~blueliquid/

Mashuroo Home Page - http://www.usamimi.info/~blueliquid/menu.html

Mashuroo Pixiv - https://www.pixiv.net/member.php?id=494065

Mashuroo Twitter 1 - https://twitter.com/mashuro

Mashuroo Twitter 2 -https://twitter.com/mashuro_yaki

Joint Circle - Aokuhakaana (青く墓穴) (アオクハカアナ) <- Name present - http://www.doujinshi.org/book/744757/

Aokuhakaana katakana from - https://www.pixiv.net/member_event.php?id=599705&event_id=3883

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