https://www.dlsite.com/maniax-touch/work/=/product_id/RJ01639045.html

A husband (unnamed) is regularly communicating by phone with his wife Yuri while he is working away from home for the time being, they absolutely love each other but Hubby is a little tired from work to the point he makes a dumb proposition, Yuri was talking about how lonely it is since her Hubby was transfered a year ago, where they have to speak to each other like this, sl Hubby just blurts out Yuri could seek some casual fling with a guy if she is lonely... eh, what? Yuri doesn't understand, they are married why should she do that?

Afterwards, alone in his thoughts, Hubby realized he talked some nonsense, he was so tired of Yuri sending him messages and calls all the time after work, but to blurt out that? Shit, will Yuri actually go through it, no way, Hubby tries to cope with the fact they are completely innocent sweethearts as a couple they lost their virginity to each other, Yuri never had a man other than him, Hubby did sleep with some escorts before they married but once they tied to knot they only had each other, yeah, there's no way Yuri did it!

Once Yuri and Hubby speak again he gets the memo, Yuri casually says she laid with another man, wait, what? In his mind Hubby can't believe someone so pure like Yuri would do that! Fuck, but Hubby is stubborn, he decides to play cool, after all he was the one who suggested Yuri do exactly that, but fuck, he is immediately regretting... thus, keeping an brave face Hubby just casually asks Yuri how it went, she gladly tells her husband about it, she went through a chat and met a pretty trendy Gyaru-oh (also unnamed), he tried to get touchy pretty quick but Yuri set boundaries right away, this is only a physical relationship, it's what her husband can allow, fuck, is that so? Gyaru-oh tries play cool, sure whatever she says.

From that point onwards Yuri keeps updating Hubby on her outings with Gyaru-oh, how he is making her feel quite unexpected things from sex, shit, Hubby realizes they were both silly virgins, even though he fucked some escorts before they married it is not like Hubby is a god at sex, the women he laid with before didn't have to be honest with him. Hubby is losing his grip, he fully regrets ever saying that stupid thing just to get Yuri to contact him a little less but his pride still gets in the way, he isn't telling Yuri to just stop this but Hubby sure is realizing he has turned into a distant husband, not because he has been transferred far from home, but due Yuri describing several of the dates she had with Gyaru-oh as stuff they actually used to do in the past, fuck, Hubby is embarrassed over his apparent neglect.

Then Yuri says Gyaru-oh wants to finally go their home, to have sex at their love nest, oh no, no, no Hubby slips his prideful mask, he stuttering tells Yuri it's maybe time to end this side fling but Yuri says Gyaru-oh got there at this moment. Gyaru-oh makes himself at home, all giddy that he gets to fuck Yuri at her own house, he takes a jab at Hubby for being such an idiot, how could he let a cutie like Yuri this neglected? Hey, please don't say such things Yuri exclaimed, she still is on the phone with her Hubby, see? Fucking perfect, Gyaru-oh sees this an opportunity to teach Hubby a lesson, please take a look at his wife is handled by a better man!

Hubby loses it, fucking stop this right now! Yuri apologizes to Hubby for showing such an unsightly thing, she can't help it, Gyaru-oh interjects, showing he is in full control, there's nothing Yuri can do, this bitch is so fine, you know what, he is going to impregnate Yuri right now! Damn it! Hubby begs not to, that big house he got was specifically for their children, Hubby wanted to make Yuri a mom, he wants a family, this bastard can't do it! Oh, but he does, Gyaru-oh folded Yuri, cumming tons inside, Hubby screams at this phone, asking for Yuri as she momentarily felt silent, Gyaru-oh fucks off from their home as if he did his job.

Yuri now meekly tells Hubby he can rest easy, because a pretty insane proposal is about happen, but first Hubby tells Yuri to call the cops or something, this was assault! No, then Yuri lays her pretty fantastical plan, see, she tells Hubby she tracked her period and body temperature, she isn't ovulating today but soon she will, Yuri tells her Hubby can rush back to their home this instant and make sure to fertilize her, in hopes his sperm wins against Gyaru-oh's tomorrow once her womb does its thing. This crazy plan makes Hubby speed his way back home, showering Yuri with apologies for this neglect of her, his pride completely shed away, he will never let Yuri alone again, he promises as Hubby does what Yuri asked, sending his little soldiers to battle out against Gyaru-oh's.

Yuri is so happy, of course she and Hubby will stay together forever, she can't wait to see their first baby... now the twist drops, turns out Yuri was not as sweet and pure as Hubby thought, she was the one who was directing Gyaru-oh all along, she devised the script, he followed, Yuri wanted to force a scenario where Hubby regretted everything deeply and completely folded, to turn into a husband that puts his wife above absolutely everything.

Months have passed, Yuri is heavily pregnant, and look at that, Yuri and Gyaru-oh are still fucking? Yes, he gets smug and claims he did exactly as told and was expected to leave once Hubby dropped on Yuri's feet back then, but here she is still fucking him, that's great, Gyaru-oh wants to see how HIS child developed in her belly, but even deep in pleasure Yuri rebukes Gyaru-oh, hey you don't know if the kid is yours and don't bad mouth her Hubby! Yuri asserted herself, she planned to get rid of Gyaru-oh once her plan concluded but she really likes the new heights of sex he took her to, thus Yuri shamelessly says Hubby is the man who gets her heart while Gyaru-oh will satisfy her body.

Everything is all for Yuri, Hubby changed jobs, he is now always home, they lovingly have sex, Yuri showers him with saying how much she loves him, Hubby expressed some worry over having sex with her belly being so full but Yuri says it is ok, she loves, loves, loves Hubby, forever always. In the end, a quick flashback to the first time Yuri and Hubby met in college is shown from her point of view, she was to the one who set her sights on Hubby first, like a little weasel Yuri thinks about how she is gonna hook him and make the guy hers, thus revealing Yuri was a little cunning sweet thing from the start, Hubby was never in charge of this relationship, THE END
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Well, this is no full Netorase to Netorare pipeline, it is somewhere in the middle, in her own crazy way Yuri loves her husband and that cannot be messed with, have your cake and eat it too.

Lucky husband, he didn't get completely fucked over like stronger NTS to NTR cycles in other works, such as Chiku's latest work, Kanojo o Netorase Fuuzoku 3.

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TLDR
Wife is Queen plot.

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