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Succubus Harem Academy: A Monster Girl Progression LitRPG

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I didn’t plan on transferring to a hidden academy full of succubi. Or being the only guy they can’t charm with a look, a touch, or a little magical sway. Pact-immune, they call me, which means if we’re going to bond, it has to be real. Earned. Wanted.

So yeah, I’ve got a target on my back. And a room full of girls who don’t just want to test my resistance, they want to see what happens when I give in.

Mornings are Pact Theory and Glamourcraft. Afternoons? Dungeon procedural shard worlds packed with loot, danger, and sigil sparks we need to keep the campus wards from collapsing. Nights… well, that’s when it gets interesting. Dorm Council debates. Bond rituals that start with a whisper and end with a full-body glow. And every Trial brings us closer to ranking up our House and each other.

[ Pact immunity confirmed.]
[ Spec Unlocked → Lust Shepherd (Lv10).]
[ Sparks 0/50 → 50/50 • House Rank F → D.]

Let me introduce the women who’ve made this impossible, irresistible.

There’s Roxy Vesper, my RA, my tease, and maybe my first real bond. Petite, violet-haired, and wild to the bone, she doesn’t care if the window’s open during our first ritual. She wants it that way.

Elowen Quill keeps to herself in the library until she doesn’t. Sweet, brainy, with inky horn-tips and a voice that stutters when she’s turned on… let’s just say those late-night study sessions heat up more than the stacks.

Tamsin Blackthorne is the prefect tsundere. Ice-cold. Rule-bound. Completely off-limits, until a loophole opens during her fertility cycle, and suddenly I’m the only one who can help. Officially. Thoroughly.

Then there’s Maelia Sable, the juicy MILF headmistress. Graceful, commanding, and completely in control. And then she meets me. When she closes the door to her office and locks it behind us, I stop being her student. Just for one night. And another. And another.

And the best part? We’re just getting started.

Inside this A full progression LitRPG with visible stat panels, dungeon Gate-Runs, and a living Pact Grid system (Charm, Ritual, Defense).A rising underdog House, from Rank F toward D, fueled by smart play, sharper bonds, and Sigil Spark objectives.Bond milestones, system unlocks, and Lust Shepherd, a spec that makes being close feel like power.If you’re here for succubus heat, academy trials, and LitRPG progression with real stakes and even realer girls, you’ve just found your House.

Click Read for Free and let’s run the Gate.

All partners 18+, full consent on-page. No non-con, no relations with minors or animals.This edition has been revised for improved continuity and readability on December 25th 2025.

268 pages, Kindle Edition

Published September 28, 2025

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Leo Thornvale

96 books7 followers

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5 stars
121 (59%)
4 stars
50 (24%)
3 stars
20 (9%)
2 stars
9 (4%)
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5 (2%)
Displaying 1 - 13 of 13 reviews
96 reviews2 followers
October 23, 2025
Great story, but

As the title says it was a great story worth reading. So here are the buts. If the MC had asked " is that good or bad " one more time id have thrown my reader through the wall. Of the librarian has said " i can do both " one more time well refer to my last statement. Those two statements where used so much I almost put the book down just out of pure annoyance, but the story kept me going. Now here's some actual criticism. You have a guy who's broke 19 years old if i remember right and never knew about the supernatural worl around him, who shows up and within a week he's helping the librarian. Not so far fetched when they are supposed to be using his abilities to help her get past her research blocks. But in their first session he's not just helping her see through the glamors but having discussions about the esoteric nature's and meanings of what he's seeing. How? He doesn't know crap about spells or the supernatural in general. It's only been a week at that point and he's solving decades old mysteries about something he has no education on. Then there the repeating conversations. This happens especially once they start talking about the fertility rituals. They say the same things in three to four conversations. Answer his same questions in exactly the same way like they hadn't already talked about it. Same again when he meets up with the headmisstres. He agrees to something in one paragraph and then it's presented in the following paragraphs or next chapter like he hasn't made a decision yet. Referring back to the chapters I previously mentioned involving the fertility rituals and the headmisstres. I would recommend beta readers or better editing. The repetitive conversations are almost as annoying as the repeating phrases. The constant is that good or bad just makes the MC sound stupid. Everyone is praising his leadership potential and he's questioning every choice he makes like he has no clue about what he wants while also making him appear like he needs guidance in every thought process. That's not a leader that's not even someone with intelligence or self confidence. I think the attempt was to make him appear cooperative and humble but it just comes off as inept. You can be a leader, value your teams input, respect and seek their opinions, but you still need to be decisive. He just seems to flounder and feels more like he's being led instead of leading. What really saved this book besides decent writing was the relationships. They where interesting, original in a sense and feel genuine. That's what kept me in the story. I am looking forward to book 2.
115 reviews1 follower
February 3, 2026
Lots of potential, poor execution.

We’ll start with the good. The spicy scenes are frequent and well written this is clearly where the most effort was spent, and other than some repetitive word choice it showed some real talent. The protagonist is relatively likeable and not entirely special because he’s the most special boy or the chosen one, mostly just because he’s not a jerk. That would have been much more impactful if anyone in the book was a jerk, or even an antagonist though.

To the bad. First and foremost, this book was not read by an editor or the author before they hit publish. Unlike a lot of KU books it was technically clean. There were no typos, tense issues or grammatical challenges. Unfortunately it had also obviously been chopped up in the edit and nobody did a pass for coherence. Big things like meeting a character for the first time as readers with a reference to the characters having met earlier, then that earlier meeting taking place two chapters later, with the same descriptions and text. Another example is the main character gets on a train at 11:45 pm, then it’s mentioned multiple times that the trip will be 45 minutes. Somehow the next mention of the time has it at 4am and he’s still on the train, and it arrives at the destination at dawn. The sense of time in the book is all over the place. Despite a countdown to an imminent disaster (which just springs up and is already half solved 3/4 of the way through the book) there isn’t a clear feeling of time. The book reads like a series of scenes with no connective tissue. This is probably 1/3 of a book, it is missing all the story.

Finally for a book with the window dressing of a LITRPG there is no consistency of explanation to the magic. The status windows, glasses and skills are never explained and don’t seem to do anything.

It’s not a terrible read by any stretch, but I sure would like to read the version of this with the plot, world building and character development included.
114 reviews
December 24, 2025
I really liked the plot, characters and the story but i hated the execution and how the author moved the story forward.

Its an academy focused story but there are no classes in the story, just come to the auditorium and have sex so that others can see you doing it while the wards take the data from it. There are professors but they are there to look at these datas and findings. (some professors are there for sex as well). Well, we can say that they are all succubus and its a succubus academy; yes but i would have liked some kind of deviation from waking up, have sex and go to bed kind of academy story.

One more thing that pisses me off is that there are students who are 300 years old, 47 years old etc in the academy and they are all at the first year? come on.
This entire review has been hidden because of spoilers.
60 reviews1 follower
January 7, 2026
Good but problematic.

The main character is not particularly well developed. The three secondary characters are more fleshed out. The story with the tedious opposition is just there to act as both a foil and a prompt to create an immediacy for reaction.
The campus is filled with very powerful supernatural succubi who Kade is immune to. The erotic scenes are misogynistic in almost all scenes these powerful characters refer to themselves as sluts. By the midpoint of the book the sex scenes were skimmed because they were both repetitive and tedious. The after effect for power development were where I would resume. I think the author needs an editor and to develop his ideas of why he disrespected a majority of his characters.
1 review
May 14, 2026
I barely made it 5 pages in before dropping it, which I know sounds like I didn't give it a fair chance, but in a world where AI crap fills the Internet this felt like more of that. You're immediately greeted with inconsistent times, and after checking other reviews that seems to stay consistent. I was hoping maybe it was part of the story, the character didn't realize they traveled back in time, even if it was a strange amount to travel backwards, but they didn't. It makes it feel like AI, where it decided 11:47 PM was important, but didn't remember why and just reused that time a couple paragraphs later.

Alas, that is the gamble with these kinds of books. Congratulations to everyone who's able to power through this and all the sequels.
208 reviews7 followers
December 30, 2025
Contradicting mess

I DNF this one. The premise was interesting at first, but it’s clear this was a published first draft, or AI written. There are characters that just pop up, repeating scenes, and more.

The thing that really annoyed me though was the author bludgeoning you over and over with the school firmly enforcing “consent” but then the MC is constantly threatened with imprisonment and study or stricter monitoring for absolutely no reason other than they can’t control him with mind control powers! That’s a complete contradiction of everything!! I just couldn’t deal with the idiocy anymore and quit.
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349 reviews20 followers
May 1, 2026
Saying this series is poorly written would be both accurate and at the same time not exact.
Timeline issues... are everywhere. End one chapter with days or weeks before a key plot point happens. And suddenly the next chapter is that day that was supposed to be weeks or days away.
Then you have a trip..that takes 3 weeks to reach the destination (book 3) but the return trip takes 3 days. There are lots of things like this. Oh and complete copy paste of certain parts of the story. (Sex scene).

This book is a hot mess.
482 reviews9 followers
February 19, 2026
Excellent story

The writing keeps the story moving at a well established pace and allows the reader to easily focus on all the many moving parts and not be overwhelmed. The characters are well designed and each brings something unique to the story. This is excellent story telling. I am looking forward to Book 2!
Profile Image for Vee.
1 review
January 14, 2026
show don't tell

to much tell, not enough show. being told that the Connection is genuine does not prove that when you don't show that it is a genuine connection. Also for a book that is less than twenty five chapters having four MFC doesn't do them justice.
24 reviews3 followers
February 14, 2026
Good story

Was a fun read, a little lacking in character development so far ,but overall a fun time. Would recommend to other readers, looking forward to more entries in the series.
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410 reviews10 followers
December 30, 2025
A hellova ride

Really really fun story, I couldn't put it down. Great story, loveable characters, very well written. Had me on the edge of my seat. More please, lots more 🙏
8 reviews
March 18, 2026
Good story

Lots of sex. Ok plot. Needs closure. It makes you want to go Ooooh. Looking forward to the next book.
Profile Image for Danae.
623 reviews8 followers
March 20, 2026
a guy in a succubus academy and so much of the world and lore makes no sense...
was an easy read but won't lure me back for another episode.
Displaying 1 - 13 of 13 reviews