TenSli Inwai Nikki [English], an hentai doujinshi parodying the Tensei Shitara Slime Datta Ken series, by Nanase Masato
Oh, NIIIIIIIIIIIIIIIIICE!! I knew the possibility existed, there can be hentai of anything, and eventually, heh, there probably will. But seeing it be real, and now… I’m glad!
So, dear fellow hentaiers, here is a successful parody of Tensei Shitara Slime Datta Ken, one of the few isekai manga/novel series that does’t suck but is, on the contrary, simply awesome. Look, just read its wikipedia article or, much better, the manga online, I’m confident you won’t regret it
This doujinshi’s male MC is Rimuru, a slime who can take any appearance he wills (let’s skip the exact details, shall we, it’s a doujinshi ^^). Two of the village’s oni/ogre girls pay him a drunk night visit, Shion and Shuna.
And there we go, with tentacles and humanoid-body vaginal sex… followed by the most unexpected futa action in a very long time (a girl just grabbing the man’s cock for herself, and the man going along and turning himself female, can you picture it?!? )… followed – sorry, deal with it – around the end by a page of bestiality in which Rimuru takes the appearance of Ranga, a huge wolf-like creature (fortunately, the mangaka had pity, and separated into different panels the bits where we see the face, and the bit where only the dick is seen).
I’ll give it to you, yeah, it’s weird. But when you know the original series, it’s pretty okay, so why not enjoy it? ^_^
We owe this good read to Samuel, Herreis, Tester and Vilis, from Hennojin, thanks a lot!
By the same artist, I also share Kimi No Naka Wa and Summer Wars Festival 1-2.
And now, the download & gallery links 
Open the Complete Pictures Gallery
Download the Free Hentai Manga in a Zip file
(23 MB, 23 pictures, English)
Or you can also use the Alternative:
Zip Mirror #1 – or – Zip Mirror #2 – or – Zip Mirror #3
And now, a final remark, it has just struck me now, but don’t you feel the art style somehow reminds us of Shinji Nora (you know, the artist behind No Condom Sex, etc), no?
One thing that has been stuck on my mind since reading the slime series.
What on earth was on Rimuru’s computer that he didn’t want anyone to see.
On his deathbed, and that’s the request he made.
Terabytes of porn – every kink you can think of. Loli to granny, all shapes and sizes. Furry porn, Yaoi, the whole gamut.
Yes, that’s the obvious answer, but what if it was even more insidious than that.
-Weird world domination plans involving mutated gerbils.
-Fanfic from a shamed closet Gilmore Girls fan, involving a Gilmore Girls/Gundam crossover story.
-A secret potato salad recipe that no man but him should ever know.
Careful dude, you’re saying more about yourself than you are about Rimuru! All we ever saw on the computer was a copy of Mechasoft Doors (MX) and some elf porn!
I think this is the only time I’ve ever seen a doujinshi parody of a show where the breasts are SMALLER in the parody! That episode 16, where she’s in the public bath, dear lord! They’re bigger than her head! EACH ONE!
I also think this would have made more sense if I were as drunk as the characters.