Shinro Shidou – SEX Is Needed For School Life [English], by Murasaki Syu
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I’m not going to endure reading yet another one of those mangas. To sum up what I gathered from ultra-quick browsing, it’s the usual, women are made to be mindbroken, treated like shit, humiliated, they’re pleasure holes cursed by their inability to resist ecstasy…
Seriously, shit like that makes me think some hentai writers need therapy ASAP, it can’t be healthy for them.
There may, or may not, be a relation with Nyuudaku Gansho – Sex Is Needed For School Life, I’ve got no idea and no interest in knowing.
But as of usual, if that’s your kink, sure, why not, it’s not as if I, or anybody, had the right to police your private fapping time.
Release credits are for Anon, Potato, Kida, Kath.
By the same artist, I’ve seen “Murasaki Syu” and “Murasaki Shu”, I also share Ane Inu volume 1 (186 pictures), the Edited For Content version of Ane Inu (think: the grossest parts removed, 4 chapters added, and huge retouching to restore the scans), Kimi No Inkei O Suitai, Nyuudaku Gansho (200 pictures), and Zenra De Chokuritsu Hokou Shokai Genteiban (214 pictures).
And now, the download & gallery links 
Open the Complete Pictures Gallery
Download the Free Hentai Manga in a Zip file
(107 MB, 210 pictures, English)
Or you can also use the Alternative:
Zip Mirror #1 – or – Zip Mirror #2 – or – Zip Mirror #3
Didn’t read it, but just skimming it felt like someone had slapped me upside the head.
Giving how it goes in terms of art and story, i am going to bet he has been an assistant to Nagare Ippon.