#02 of 2D Dream Doujinshi, the physical version is quite rare, it is actually the limited bonus contents for the launching of "あとみっく文庫 (Atomic Pocketbook/Atomic Bunko)", and considered as normal manga rather than a doujinshi, however it is made into digital version (this one), disguised as "サークルトランポリン (Circle Trampoline)" about one year later. #01 can be found:
https://e-hentai.org/g/572001/0595310599/
Unlike it, this one doesn't made into full tank yet, but being serialized on 2D Dream Magazine atm by 天海雪乃 (Amami Yukino)
Though the original novel is superior in length, there are 6 volumes produced, first 4 are uploaded by Harupuia:
vol.1
https://e-hentai.org/g/484053/bbe3c09507/
vol.2
https://e-hentai.org/g/484056/483a979343/
vol.3
https://e-hentai.org/g/484058/c50f16da4c/
vol.4
https://e-hentai.org/g/484059/c5889015a7/

vol.5
https://e-hentai.org/g/572224/a394d9d349/
vol.6
https://e-hentai.org/g/572234/e050cb33ba/

List of works and their authors:
http://www.dlsite.com/books/work/=/product_id/BJ006516.html

いつもの学園生活
page 004-023
by 天道まさえ (Tendo Masae)
later being consisted in the tank 悦びの旋律
https://e-hentai.org/g/266448/9a62da91d5/

天使の誘惑
page 024-043
by ウメ吉 (Umekichi)
later being consisted in the tank 狂イク実習

ELECTRIC LOVE
page 044-063
by 空木次葉 (Tsuguha Utsugi)
later being consisted in the tank 触手が嫌いな女の子はいません！
https://e-hentai.org/g/462543/a1b34244fa/

Your name doth befits you.
Keep up the evil work

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