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There are four women in the Soma family, each sluttier than the last! Kurumi is the youngest daughter, and the most reluctant pervert of the bunch. She claims to have far more self-control than her mother or her sisters... but put a tasty cock in front of her, and it won't be long before she's sucking and fucking with the rest of them! The middle sister Sayoko is in college, and eldest sister Soko is a high-powered businesswoman... but neither academia nor employment will stand in the way of their healthy sex drives! However, even all three daughters put together could never match the insatiable sluttitude of their mother, Mitsuko. Between fucking Kurumi's tutors, screwing the deliveryman bringing food to her in-progress orgy, or banging the neighborhood trick-or-treaters, there's never a day when she's not stuffed full of cock... or encouraging her daughters to join her!

Infinite Horny has art and story by Mizuryu Kei . English translation is done by TBAC and lettering by Rebecca S. Published by J18 (September 3, 2025). Rated M.

Jean-Karlo Lemus
Rating:

You might know Mizuryu Kei best from their work on the Welcome to the Mizuryu Kei Land series. What we have here is more of Mizuryu's brand of wanton lust, focusing on the Soma family: a gaggle of women who will bone pretty much anything with a pulse that's in their vicinity. There's a bit of humor in the mild “reluctance” of the youngest Soma daughter, Kurumi (who fails to shrug off her family's reputation). Mizuryu's skill with anatomy impresses, as does his wild and racuous set-ups, but I couldn't get over the silly faces all of the women pull. Mizuryu sure loves his “ahegao” expressions, but they're so plentiful they only come off as garish. Ironically, one of the better chapters in this book (“My Neighbor Rina”) stands out for not overusing ahegao. Some of the later chapters in the book are also older works from Mizuryu, back when his style was still being developed. It's... rather noticeable, as those chapters aren't as immediately captivating, to say nothing of the drop in art quality.

What definitely stands out in Infinite Horny is its sense of humor. Kurumi trying (and failing) to have a shred of dignity comes off as chuckle-worthy, but the absolute insanity of intercourse in later chapters also amuses. Special credit goes to Horneé Naoko, an understudy of one of the Soma family's daughters at their workplace.

Infinite Horny definitely falls on the brainless side of things, but the art is sharp (for the most part). And there's something to be said about a book that doesn't waste your time. I'd label that as good enough for a quickie. Recommended, but with some reservations.

Erica Friedman
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I'm not sure it's fair to even attempt to “review” something like Infinite Horny. It's not a story, it's a sex toy in print form. Let's look at it as a tool. First, it is helpful to know that most men who purchase pornography on paid sites watch any given clip for about 4 minutes. So using that measure, this manga works pretty well. It doesn't really bother with scene set-up any more than “the plumber comes to the door” does in video porn.

Dialogue here is always focused on the assumed viewer. For instance, Kurumi's family is voracious sluts, she informs us in an unlikely bit of internal monologue. Her mother, in an equally unlikely bit of exposition, exclaims as she climaxes, how much she loves cheating, a thing of course anyone might be expected to say in the moment. Equally realistically, Mom tells Kurumi to go to school because she is “desperate to have extramarital sex with this guy.” That's a quote – “this guy.” You can feel the love and attention put into every word here.

Sex is near instantaneous, foreplay is neither mentioned nor seen, once again, indicating this mange is a tool, much like a fleshlight. This manga serves a specific purpose and is pretty good at it.

That is, until the Halloween chapter. I guess it is supposed to be very enticing and sexy to have naked women meet you at the door, but I dunno, I think I'd not want any treats from such an unsanitary site. Forget apples with razors, these melons don't look so good, either.

But, as I said, this is not a story; it's a visual aid meant for a specific subset of people who respond to this specific kind of stimulation and who wish to be reminded that “any man is ready to be sucked off at any moment!” and other pearls of totally realistic dialogue.

All of this family entertainment is followed by chapters featuring the airheaded bimbo with big boobs, sex in the gym, and other 18+ stock footage. And, once again, this is all in and out with much protestation of how amazing it is to be having sex, all of which has been consensual, if absurd. At least the characters totally enjoyed it.

Bolts
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Kei Mizuryu is an artist who has a very particular type of style. I have read many of their works in my time and this person absolutely loves drawing women in the most feral ways possible. Almost every story that they have written involves women whp look like they are so horny that they are intoxicated and I respect them for it. This is an author that knows what they like, which should make it very easy to recommend to people.

There are some one off stories in this book but the majority of it revolves around a family of three women; a mother and two sisters. The youngest sister seems to be in denial about how their family is just predisposed to bang any guy that's near them, but that quickly drops whenever she happens to find herself in the vicinity of a guy. Some chapters are about them just exploring their provocative nature in different ways. I will say a downside to Kei Mizuryu's style is that all of the women do end up looking very similar to each other just with slightly different hairstyles. Plus it's rare you have a guy actually get any distinct features, as most of them are generally faceless. The main focus is always kept on the girls, physically and verbally showing off just how much they want to have sex with the nearest dick they can get.

So sadly, there isn't a lot of variety in this book, but if you're someone who definitely enjoys reading material about characters who are very open about their sexual proclivities, then I think this book is perfect. What the book lacks in style it makes up for in dialogue. Seeing the occasional slow buildup to one of our main girls being denied only to focus on just how much sweat her body is generating out of sheer horniness can also be titillating. I think the best way to describe the nature of this book would be “self-aware mind break.” The women are already so horny that they might as well have their minds broken as opposed to other stories where it's usually about a guy going through the effort to break a woman. So if you like stories where women are already at that breaking point with the questionable ways that got them there, then I think this book would be for you.