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The Incubus System Original

The Incubus System

Fantasy 702 Chapters 11.6M Views
Author: Nanakawaichan

4.82 (220 ratings)

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Synopsis

Warning: Mature content, R18, Harem, No NTR, No Rape

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that will turn him into... A pervert.

Now he must live with his dual identity as a model student named Ethan and an incubus named Damian, while conquering MILF, monster girl, beautiful elf, demon loli which sometimes leads him to complicated relationships.

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Other tags : Hiding Identity, Monster Girls, Tentacles, Character Development, Weak to Strong, Incest

*Most of my story has a big harem, I'm not interested in writing a small harem with only two or three girls. The MC is not an arrogant type and doesn't carelessly kill people nor let the others died in his presence. He also doesn't treat his woman as a sex object. Even though this is a harem story, some parts of this story will make you tear up and have some funny scenes.

*This story has a lot of steamy scenes and playful kinky games that you've never read before. Read by your own risk. Some illustrations and characters images are on my Discord channel.

My Discord: https://discord.gg/mSRHyMVhnG

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Other works:
*Seven Sins System
*Dragon King's Harem
*Dark Moon: Rise of The Dark King
*Demon Lord's Succubus (Completed)

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220Reviews

4.82

  • Writing Quality
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  • Story Development
  • Character Design
  • World Background

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DragoPackMan

As member of Milf-SECT i announce this is 5 ☆ Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf Milf

4yr
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DEADLYSHADOW

this novel is perfect. story development is absoulutley great. world background is perfect. I hope writer won't stop because this novel is totaly perfect . I have only one regret and that one is Istarted too early and now I can't wait new chapters :)

3yr
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HeavenlyAzureLotus

Nana is really talented at creating both a spicy adult novel aswell as an engaging and entertaining story. If you’re looking for a some mature harem fantasy you’ve found the goldmine. Content with an engaging story ☑️ Enjoyable characters and interactions ☑️ Well written and spicy adult scenes ☑️ Diverse cast of women ☑️ Emotional and individual characteristics ☑️ Well written MC and Cast ☑️ Warning; you might just have trouble putting down the story.

1yr
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Nanakawaichan

I'm going to take the 100th review. Thanks to all who read and support the Incubus System. This is my first harem novel with a modern fantasy theme and I love it. I mixed the demon world with the modern human world and made the MC like living in two worlds. I make him fight, have fun with his friends, go to collage and a lot of ... (you can read from the synopsis). This novel will also take the theme of character development, weak to strong and a complicated plot that will more clearer over time. This book will be updated every 4 times / week. Every Thursday to Sunday. Hope you enjoy ~

3yr
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Wikramadani

GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD GOOD

4yr
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DeathBySNUSNU

Really good story. It's progressing nicely. A decent level of immersion. It's also easy to get a feel of the emotions of the MC especially during 18+ scenes.👌

4yr
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Maximillian

I like this book because it's different to what I usually see on WN, with the Harem tropes and stuff like that. So far I'm enjoying this book so far and I would recommend you reading and supporting this author. Also, check out their pa.....E....treon so we can have more updates faster for this book!!! Plus, their other books two books are pretty good as well but I like this one the most!!

4yr
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Zong_Jize

UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE UPDAAAAATE

4yr
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YeongEunJi

This is indeed a good story! It got a good plot and good smut! Such a gem! I never expected this novel to be good! I think the characters are good and I can't pin point Wharton this novel but you can really tell that it got a weight on it (?) it snot just a pure smutty novel with a slapped plot here and there! Truly an interesting one!

4yr
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Novelman

There is so much to say. But I'm too lazy to write. Harem.

2yr
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Hareminzm

I love this novel. He tied me up. You just have to keep your expectations low.

2yr
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Yuri_is_Ntr

Well, first off I wanted to elaborate It's pretty fine read, that feels like a proper light novel with just some minor problems. Like logic behind characters actions really screwed, and because of this author have some need to explain how they come to this. A lot of lucky moments, that you could see from just a glance that it's forced. Now more of personal preference. I don't understand how you created it. It's basically shounen cliches stories with sprinkle of smut and a lot of cringe. Mc? Beta guy with wild demon inside of him. How wild demon in him? As far as Japanese cliche allowed him. Just a guy that doesn't afraid of fighting and peaking out girls. With morales and need of showing off and being a hero? Oooph... How good characters? They do dumb stuff regularly, for the sake of a story. I don't know, not sure. How good lewds? Well, if you close you eyes on a lot of cringe lines of mc, and skip his thoughts. It's very mild, I never understood why Damien wild, when he is quite prude and gentlemanly. In the end, it's a huge disappointment in smut area, and as a proper story. If you read some harem light novels, you already see those characters, situations, and already could predict where and how, main character get his mental growth. The worst problem, you still need to read about mc, when there is better character which is Damien. P. S. Did we return in 2013? Where those things where popular, it's even called new and fresh... Bruh.

4yr
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Niselaro

Awesome Best Novel! Character Design and World Background is Amazing. MC is just perfect and satisfying to read. Interesting. R-18 content is Hot, detailed very good. Writing quality on high level goes very smoothly that I even felt touched with family drama. Love the Plot and looking for much more! Thanks!

4yr
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Re_shin

Read it if you like harem and obscene parts!

2yr
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TBS_23
LV 14 Badge

Great novel... MC who embraces the powers he just got even though they are demon powers.... The only bad thing about the novel is some important chapters and side chapters are patreon exclusive... Makes the novel feel chompy...

3yr
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Petros_Delialis

This book is awesome I have been following it for a long time, and it keeps getting better and better It feels like a eal book, not a web novel and it has very good character development Nanakawaichan is my favourite author and all her books are aweaome

2yr
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Shadow_monarch4322

I wanted to ask if he ever tell his women the truth about himself because I think it pretty sad that he’d just be lying to them all the time I know I can read and find out but I just wanted to get a quick answer great novel btw I read the first couple chapters

2yr
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The_King_MAKER

Even though the title is 'the incubus system' I would like if somehow the could also wield light energy. After all he is a nephilim. He should have this advantage , besides it would also allow us insight into the angels world maybe.

3yr
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Zigmaw

Thanks for the amazing story author and I wanna see the end of the story.......................................... ........................

3yr
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TBS_23
LV 14 Badge

Its a good novel thats flowing & has an interesting cast... Its rare to see the cast of a harem who are unique & have things they want to do instead of always being the YESMAN to their counterpart... The only part that makes it lose a point in story development is because it doesn't make sense since he wants revenge against the hunter for using them as bait... Why hasn't he hired a lawyer or something to sue his mother for their inheritance since he has the money & back-up to do that now... That makes it flawed since if you want revenge you always start at the bottom... Hope we see a resolution of that part... I hope its not one of those forgiveness arcs since it looks like the mother never cared for them...

Reveal Spoiler
3yr
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Author Nanakawaichan