Seven Sins System

  • Genre: Fantasy
  • Author: Nanakawaichan
  • Translator:
  • Status: Ongoing

  • Rating(4.3 / 5.0)

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

"I only accept an equivalent trade. A wish for a wish. Body or soul, which one will you give me?" It was the same offer every time a mortal summoned him, the crown prince of the shadow realm and the lord of wrath, Azrael Shadowraven de Nightfall.

The demons bowed their heads to him. All creatures, mortals, and even angels feared him. However, everything changed after he was sent for a secret mission in the mortal realm to expand his seven sins power.

Hiding his identity among the mortals, the vampires were attracted by his royal blood. The mortals were either jealous or admired his abilities. The angels were curious about him. The demons wanted to kill him and take over his power.

Little did he know, he had another hidden power sealed inside of him. Something terrifying that could turn him either into the ruler of the three realms or an evil that could destroy all beings.

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*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 doesn't treat his woman as a sex object. Non-consensual relationship also not my thing.

Tags: Mature Content , R-18 , Smut , Incest, Comedy , Tentacles, Monster Girls , Yandere , Succubus , Magic , Demons , Angels , Hybrid , Hiding Identity, Goddess , Devil , Battle Academy , Beasts , Action , Mystery , Overpowered , Strong to Stronger , Harem , System , Servants , Handsome Male Lead , Smart Male Lead and a little bit of Slice of Life.

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Other works:
*The Incubus System
*Dragon King's Harem
*Dark Moon: Rise of The Dark King
*Demon Lord's Succubus (Completed)
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Cover by commission from Deviantart
My Discord: https://discord.gg/mSRHyMVhnG

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Popular Reviews All reviews
  1. asaade9999
    asaade9999 rated it
    Another work. I believe this novel packs terrifying potential. I'll just be hoping for something, which actually is that: more chapters, please!
    Also, with respect to all other works as well as this one, thanks so much for making my day as always!
  1. Neon_SsX
    Neon_SsX rated it
    It's been going well till now, the mc is ruthless by human standards but his attitude to murdering or cleaning bodies up is normal to the demon realm... i forgot the realm's name but anyway he has also shown to be considerate and who knows(excluding nana)he might try to understand mortal feelings and stuff. Can't say much about the stability since it has only started. For me, the writing is quality is great.

    PS: the best thing about this novel is that Barry(the alternative version of Larry from tis in the novel)is gonna have a girlfriend and no it's not a body pillow, he is actually gonna get a real girlfriend. Well jokes aside, bye.
  1. Skynovellover
    Skynovellover rated it
    10/5 would recommend!
    In all seriousness though so far it is a great story. It has little to no grammatical errors and the author does give actual information on the skills the Mc currently has.
    At the time of writing there hasn't been much world building as of yet but it is building up a good foundation for it to be built upon. Nana-chan is a good writer and does her best to deliver quality stories to her readers and makes you feel as if you are actually watching over the characters. With that said you do feel your emotions being directed at the characters and not at the author herself.
  1. PeuPeu
    PeuPeu rated it
    I'm going to take 10th review~
    Thank you for your support for my new book. This is my first time entering a writing competition and I have to say I'm a little nervous. This time, I took genre system harem genre (as always) and modern era. Slightly similar to my previous novel.

    This is also the first time I've written a tentacled MC *Cough* (Don't judge me). So anything can happen in this story. I hope you enjoy this book~
  1. a5983
    a5983 rated it
    Hello. Is there any kind of yuri here? I hate that stuff and would like to know before reading. thanks
  1. TeLLertaLessFJ
    TeLLertaLessFJ rated it
    HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM HAREM
  1. ShuangWeioRe
    ShuangWeioRe rated it
    Beware_of_Demon_Lord 😈😈😈😈😈😎😍
  1. Ravenwrites
    Ravenwrites rated it
    Awesome author🥰🥰🥰🥰

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