Mash To Shitekita Kakushigoto (“Secret Activities With Mash”) [English], an hentai doujinshi parodying the Fate / Grand Order game, by Flock Blue (AKA Blue_Gk)
How about some prime waifu material, featuring Mashu, the #1 waifu in Fate / Grand Order? ^^
We watch how Mash and her Master mate on every given chance, in the game’s mesopotamia arc (apologies, I stopped playing before it, so I’m kinda clueless), and the mangaka greatly captured our girl’s assets. A nicely shaped ass enhanced by her bold outfit, her shy blushed face becoming flushed for another reason, with pleasure, her entrancing eyes…
Well, pardon me for being biased
Anyway, here’s to hoping you’ll love it, if you hadn’t read it yet.
Thanks to Hive-san for this one!
By the same artist, known as Flock Blue and Blue_Gk, I also share Mash To Issho Ni, MDS – Mash To Dosukebe Suru Hon and Senpai Ni Daisuki Datte Tsutaetai.
And now, the download & gallery links 
Open the Complete Pictures Gallery
Download the Free Hentai Manga in a Zip file
(53 MB, 31 pictures, English)
Or you can also use the Alternative:
Zip Mirror #1 – or – Zip Mirror #2 – or – Zip Mirror #3
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Hello everyone
You're with a post I have written, and scheduled, in advance.
At the present time, I'm on holidays with my wife and kids, curious to check what this weird thing people call "the country" looks like. Rumour has it there is no internet and you must find other ways to spend time, like playing board games together, fishing or hiking, can you believe it?!? I know, that sounds crazy. I'll also go on a family tour for another week as a holidays extension, this year, I hope they remember what my face looks like after all this time
I hope this share isn't broken or anything, everybody can vouch I never make mistakes with my hyperlinks, or slaughter the HTML code of the posts, yeah, definitely.
Buuuuuut... Look, if I screwed up, no matter the reason, what can I do, right? Deal with it
Take care while I'm away, enjoy the beautiful days of Summer, don't catch the covid-19 (why not wait for the covid-20 variant, so much future hyyyype!), and meet you back in the second Monday of August! :-)
I don’t claim familiarity with the full details of the Fate Grand Order continuum, but somehow I suspect EVERYBODY in FGO “KNOWS” what Mash and Fujimaru are up to in an H-Story, when they’re nowhere to be seen.

Leotard wedgie.