**Contents:** 1. Academy Secret Service / Gakuen Ura Service (学園裏サービス); COMIC HOTMILK 2020-12 2. Academy Secret Service 2 / Gakuen Ura Service 2 (学園裏サービス2); COMIC HOTMILK 2022-08 3. Academy Secret Service 3 / Gakuen Ura Service 3 (学園裏サービス3); COMIC HOTMILK 2023-03 4. Academy Secret Service 4 / Gakuen Ura Service 4 (学園裏サービス4); COMIC HOTMILK 2023-10 5. Academy Secret Service 5 / Gakuen Ura Service 5 (学園裏サービス5); COMIC HOTMILK 2024-01 6. Academy Secret Service 6 / Gakuen Ura Service 6 (学園裏サービス最終話); COMIC HOTMILK 2024-10 7. Academy Secret Service EX - Sex Education Department / Gakuen Ura Service EX Seikatsu Shidouka (学園裏サービスEX 性活指導課); Comic Hotmilk 2021-05 8. The Litmus of Adolescence / Shishunki no Litmus (思春期のリトマス); COMIC HOTMILK 2022-02 | Namespace | Tags | | :--- | :--- | | artist | kasetsu makoto | | male | schoolboy uniform, sole male | | female | ahegao, blowjob, deepthroat, femdom, gloves, handjob, nakadashi, schoolgirl uniform, x-ray | | mixed | childhood friends | | other | story arc, tankoubon | [Source](https://exhentai.org/g/3070582/e9f2b25911/) **Note:** The 1st, 7th, & 8th chapters were also released in [a previous compilation](https://mangadex.org/title/9e4a6c86-4e1c-4e4e-89d0-e1ac00a08edb). ___ **Additional Buy Links:** - Melonbooks: [Normal Edition](https://www.melonbooks.co.jp/detail/detail.php?product_id=2481565), [Limited Edition With B2 Tapestry](https://www.melonbooks.co.jp/detail/detail.php?product_id=2481564) - [TORANOANA](https://ec.toranoana.jp/tora_r/ec/item/200012630952/) - [Getchu.com](https://www.getchu.com/soft.phtml?id=1297863) - FANZA: [Physical](https://www.dmm.co.jp/mono/book/-/detail/=/cid=208book97848665382732024/), [Digital](https://book.dmm.co.jp/product/4575407/b064bcmcm02798/) - [Rakuten](https://books.rakuten.co.jp/rb/17940889/) - [Yodobashi](https://www.yodobashi.com/product/100000009003872451/) - [animate](https://www.animate-onlineshop.jp/sphone/pd/2929272/)