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Circle's Website: http://don.progg.jp
Motokazu's Pixiv: http://www.pixiv.net/member.php?id=8375436
Motokazu's Twitter: https://twitter.com/motokazu95
Dontoko's Pixiv: http://www.pixiv.net/member.php?id=4419311
Dontoko's Twitter: https://twitter.com/whatsupnamin
Komagoma's Twitter: https://twitter.com/kumakomagoma
Chiru's Twitter: https://twitter.com/chil_5678
Sasasa's Twitter: https://twitter.com/sanosannjou
Sasasa's R-18 Twitter: https://twitter.com/r18sasasa
Sasasa's Nijie: http://nijie.info/members.php?id=565423
Lightning Drill's Website: http://blog.livedoor.jp/lighteningdrill/
Lightning Drill's Pixiv: https://www.pixiv.net/member.php?id=17917133
Lightning Drill's Pixiv Booth: https://dorirugrandee.booth.pm/
Lightning Drill's Twitter: https://twitter.com/lighteningdrill
Himari's Pixiv: https://www.pixiv.net/member.php?id=18756716
Himari's Twitter: https://twitter.com/himari_ii
Marubou's Twitter: https://twitter.com/hitoshik19023
Minamito's Pixiv: https://www.pixiv.net/member.php?id=3984237
Minamito's Twitter: https://twitter.com/minamitoto
Chiban's Twitter: https://twitter.com/chiban3rd
Klu's Twitter: https://twitter.com/kantol
Hishi's Twitter: https://twitter.com/hiahia1227
Akahashira's Twitter: https://twitter.com/akahashira
Hatori's Twitter: https://twitter.com/poladora
Hatori's Twitter (2): https://twitter.com/hatolier_camera
Kennin's Twitter: https://twitter.com/kennin5
Gabyonuno's Website: http://gabyo.sakura.ne.jp/nuno/
Gabyonuno's Website(R-18): http://gabyo.sakura.ne.jp/nuno/echa.html
Gabyonuno's Pixiv: https://www.pixiv.net/member.php?id=6870853
Gabyonuno's Twitter: https://twitter.com/gabyo_nn
Kimafumi's Twitter: https://twitter.com/kmfm686
Zubatto's Twitter: https://twitter.com/Wr250mYamaha
Tate's Twitter: https://twitter.com/syuntyananone
Haibara's Pixiv: https://www.pixiv.net/member.php?id=2343085
Haibara's Twitter: https://twitter.com/afonosyu
Dairaku's Twitter (Deleted?): https://twitter.com/N25Nambu
Jinnouchi Akira's Pixiv: https://www.pixiv.net/member.php?id=155625
Jinnouchi Akira's Twitter: https://twitter.com/jinnnouti_akira
SYUMO's Pixiv: https://www.pixiv.net/member.php?id=1115742
SYUMO's Pixiv Booth: https://syumo.booth.pm/
SYUMO's Twitter: https://twitter.com/syumosama
Morinaka Hajime's Website: https://blogs.yahoo.co.jp/studionel
Morinaka Hajime's Pixiv: https://www.pixiv.net/member.php?id=2090175
Morinaka Hajime's Twitter: https://twitter.com/studioNEL
OwlZ's Website: http://owlmebiusu.blog75.fc2.com/
OwlZ's Twitter: https://twitter.com/owlzfutaba
Hizaki Ryuuta's Website: http://fullautofiring.tumblr.com/
Hizaki Ryuuta's Tinami: http://www.tinami.com/creator/profile/53283
Hizaki Ryuuta's Twitter: https://twitter.com/Hizaki
Kawashima's Twitter (Protected?): https://twitter.com/kawashima__
Ujimatsu's Twitter: https://twitter.com/um_tnk
Komehen's Website: http://twpf.jp/wtrijst
Komehen's Pixiv: https://www.pixiv.net/member.php?id=4267348
Komehen's Pixiv (2): https://www.pixiv.net/member.php?id=21150595
Komehen's Twitter: https://twitter.com/wtrijst
Nadegata's Pixiv: https://www.pixiv.net/member.php?id=16275159
Nadegata's Pixiv Booth: https://nadegata322.booth.pm/
Nadegata's Twitter: https://twitter.com/nade_gata
Shinsou Komachi's Twitter: https://twitter.com/comachipan
Kotosui's Website: http://kobanamoyou08.blog106.fc2.com/
Kotosui's Twitter: https://twitter.com/shui_k
Attamattama's Pixiv: https://www.pixiv.net/member.php?id=18969319
Attamattama's Twitter: https://twitter.com/attamattama
Nemureru Usagi #06's Website: http://hanatokazenomati.blog.fc2.com/
Nemureru Usagi #06's Pixiv: https://www.pixiv.net/member.php?id=1927592
Nemureru Usagi #06's Pixiv Booth: https://nemureruusagi06.booth.pm/
Nemureru Usagi #06's Twitter: https://twitter.com/nemureruusagi06
#13's Twitter: https://twitter.com/13p8383
Kurose's Pixiv: https://www.pixiv.net/member.php?id=1353615
Kurose's Pixiv Booth: https://crocroxxx.booth.pm/
Kurose's Twitter: https://twitter.com/_KuroseKS_
Kurose's Twitter (2, Music): https://twitter.com/_kurose_
Kurose's Last.fm (Music): https://www.last.fm/ja/user/cro_kurose
Hikari°C.'s Twitter: https://twitter.com/lunaxhika
Hikari°C.'s Twitter (2): https://twitter.com/lunaxhika_e
Inryousui's Pixiv: https://www.pixiv.net/member.php?id=11618115
Inryousui's Pixiv Booth: https://watersommelier.booth.pm/
Inryousui's DeviantArt: https://www.deviantart.com/inryosui
Inryousui's Twitter: https://twitter.com/inryosui_

https://www.doujinshi.org/book/1068894/