Rikusepa Renshuukan Kashima No Miracle Exercise [English], an hentai doujinshi parodying the Kantai Collection game, by Mofurentei (artist: Xe)
Kashima, wearing bloomers and a sports bra, knows she’s enticing her admiral, and cheerfully proceeds to the next step, taking the lead and enjoying every part of it
I have little to say about this one, Kashima’s cheerful, smiling nature, was charming, the art was great, and the censorship was okay in most pages.
I hope you’ll enjoy reading it, and thanks to 2cooked4you!
My past Mofurentei shares come out of the same mould, taking a Kantai Collection cutie and putting bloomers on her, they are: Rikusepa Shukujo Haruna No Nimensei Rokuki and Rikusepa Kuchikukan Hamakaze No Bonnou Kyousei Shidouroku.
And now, the download & gallery links 
Open the Complete Pictures Gallery
Download the Free Hentai Manga in a Zip file
(48 MB, 25 pictures, English)
Or you can also use the Alternative:
Zip Mirror #1 – or – Zip Mirror #2 – or – Zip Mirror #3
That was either cute or devious on Page 13, when her *a-hem* slutty side having been awakened, Kashima-san begs to be “punished” by Admiral-san
*beat*
“THIS … IS … PUNISHMENT?”
In The End, Kashima-san uses “Sports Bra & Bloomers” combo to treat Admiral-san’s insomnia:

Activewear is a nice change of pace. Especially, when seeing lacey undergarments a lot.
C