book info : https://www.melonbooks.co.jp/detail/detail.php?product_id=203204

OFFSTAGE series COMPLETE.

Expect Offstage 4!

last : http://dl.hentaiknight.work/?l=e-hentai/g/1116760/8b5ec698af/

Next : http://e-hentai.fbk.tokyo/index/g/1312852/4d56cd0877/

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Many artists are not registered in tags, so make a list with twitter ID(@ + ID) or Pixiv ID code (only numbers) based on pages of gallery 80 to 82.

ぬぁ[= るんP(@aveton1215)] : @eroyouakarun / 37317
おねむりさん
うぱ西。(artist:upanish.) : @upa24maru or @ura24maru / 6456469
色gomi : @gomidamarigomi / 20493559
ゆーお
まめでんきゅう(artist:mame_denkyuu) : @mame_denkyuu / 138129
はやまそ : @hymsasoo / 2120938
早渡
鳩むぎ(artist:hatomugi) : @ht_mugicha / 96581
木材
まんす(artist:mance) : @m_mance / 2110611
炭酸メロン
安藤周記(artist:andou_shuuki) : @andoushuki / 1379902
nash : @nashviiiv / 858394
ばなな : @himebana / 30201
フィッシャーマン
うかいやん
弐肆 : @c24_nishi / 34218
デミオ : @demio_d / 3586778
四電ヒロ
いといちゃん
NADARE[= FUBUKI(@fbk86)] : @ndr503 / 16239889
ミヤクラ ナツ : @natsu_mykr / 2526745
小桜菜々音(artist:kozakura nanane) : @ainanakura / 283883
ふたば
アキラ : http://viid.me/9Mwb4 (Maybe this artist has no twitter ID) / 949430
koppepan800 : @koppepan800 / 786768

And the empty space is can't found artist info by my searching skill.
Anybody knows any information that artist, please report it to the comments. Thx.

Okay this is epic.
Thanks you so much!

Base +6

this is coupled with 2a(alpha).

Base +6

holy frick thank you very much

Base +6