https://www.dlsite.com/books/work/=/product_id/BJ145682.html
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Translated by desudesu, commissioned by me.
https://desudesu.mangadex.com/
desudesu has commissions open and can be reached at desudesu2[at]gmail.com

I'm feeling... my brother-in-law's cock! 〜I'm bigger than my brother's, aren't I?

Don't...pound...me...so hard from behind!" A man strikes hard against Yuko's ass, wiggling his hips in an exquisite manner. It was... her brother-in-law!
--Yuko and Hideki have acquired the home of their dreams. Their happiness is short-lived, however, when they find out that Kenji and Mina, a couple of yankee-like brothers-in-law, are staying at the house...?
Kenji and his wife, Mina, do not work and have loud sex with each other at night.
"Umm...please be a little quieter" Yuko gathers up her courage and approaches Kenji, but he says "You want to do yoga with a loud voice, don't you, sis-in-law?
She is suddenly grabbed by her breasts and played with the body she has only known from her husband...!

Japanese RAW (pages 01 to 26): https://e-hentai.org/g/1724934/ffe014f3df/

Damn... nice suck on that nipple on page 7 and page 44 (͠≖ ͜ʖ͠≖)

Thanks for the share and synopsis :)

Base +22, Fofotron +18

man i'm really hate this type of censor

Base +6, Fofotron +18, adrienmage +6

There's a total of 9 chapters, but have only found the 6th volume so far. It continues with the brother going to her job and fucks her in the employee room, but the boss finds out and tries to get a piece as well. Blondie stepped out but comes back only to stop and tie up the boss and rapes the wife while he watches and forces him to keep quiet about everything. They go home and she acts like nothing happens. The idiotic husband finally suspects something and confronts them, only for both to deny it. He sends his wife to fuck the brother while he takes his since she already fell for the brute. Everyone in this story is a moron, but it's hilarious in its stupidity.

Base +6, Fofotron +18, pumidru +6

How is this even ntr? Ntr without the cheating tag. lol. It's just rape. She's not even enjoying it.

Base +6