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Toono Ao didn't make it into college and became a ronin, dedicating himself to preparing for the next year's exams. To focus better, Ao moved into an apartment near his cram school, living independently for the first time. It's modest, but it's his own space. However, shortly after moving in, a tipsy woman stumbles into his new residence! No matter how much he tries, she keeps making herself comfortable and taking advantage of him. This is unacceptable. Or is it? His humble abode is no longer solely his. Onee-san is taking over.

His quiet sanctuary is now invaded by this unexpected guest. Ao finds himself struggling to reclaim his personal space. Yet, amidst the chaos, there's an undeniable tension that blurs the line between intrusion and acceptance. His home, once a symbol of newfound independence, now feels like a battleground where boundaries are constantly challenged. Is this invasion a disruption or an unforeseen twist in his journey towards self-discovery?

Associated Names

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Onee-San Is Invading!?
おねーさんが侵略中!?
누나가 침략중!?

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Rating(3.2 / 5.0, 56 votes)
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Popular Reviews All reviews
  1. Zhorvak
    Zhorvak rated it
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    Another one gone hollow…
  1. SuheilLakhani
    SuheilLakhani rated it
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    It feels like were seeing someone playing a nuzlocke challenge
  1. TiagoMaia1922pol
    TiagoMaia1922pol rated it
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    Forbidden sun?
  1. W0lfi
    W0lfi rated it
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    Aedi was/is malicious as fuck, little shit isn't even close to being the meathead he tries to pass as.

    I know I am laying it on him and he could come around, but the brat still has a mean streak up his ass.

    Fortunately, Zephyr already has the power to subdue him and knowledge about a few things he can use against him to keep him in check.

    But now I am curious... what made him that way, if I caught the detail right when his master met him for the first time he seemed to be living on that mountain alone, just the fact that she was pulled to stay with him by whatever magical bullshitery was in play already says something... with how things went in the last loop she may have made a mistake not in how she trained him but by training him at all, may what made her stay with him wasn't fate but a little of demonic touch, I mean... I doubt the gods don't know what she was doing.
  1. Ussop
    Ussop rated it
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    Welcome to the donut club, honey
  1. Arktear
    Arktear rated it
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    Nice one
  1. Joyon
    Joyon rated it
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    Missed this but it’s finally back!
  1. AellaNova
    AellaNova rated it
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    i am feeling so lonely after reading that...

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