My Fiance is in Love with My Little Sister

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Aah, again?

My fiance was gazing intently at my charming younger sister.

When I saw the blaze that lit up in those cold eyes, I was assaulted by deja vu.

My fiance had been in love with my younger sister even in the last life.
There was nothing I could do but watch.

And, by some karma, I was someone who kept returning to that exact moment.

Associated Names
One entry per line
Konyakusha Wa, Watashi No Imouto Ni Koi O Suru
婚約者は、私の妹に恋をする
Related Series
N/A
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My Favorable Rating Does Not Rise (2)
Otome Game Rokkushuume, Automode ga Kiremashita (1)
Recommendation Lists
  1. Sibling rivalry
  2. Novels which lives in me
  3. Lidos
  4. Books with good plot
  5. List of Novel from Syosetu

Latest Release

Date Group Release
10/07/23 Nocta’s Hermit Den c62
10/07/23 Nocta’s Hermit Den c61
08/06/23 Nocta’s Hermit Den c60
02/04/23 Nocta’s Hermit Den c59
08/21/22 Nocta’s Hermit Den c58
06/05/22 Nocta’s Hermit Den c57
02/28/21 Nocta’s Hermit Den c56
01/19/20 Nocta’s Hermit Den c55
08/19/19 Nocta’s Hermit Den c54
04/22/19 Nocta’s Hermit Den c53
04/13/19 Nocta’s Hermit Den c52
04/06/19 Nocta’s Hermit Den c51
01/15/19 Nocta’s Hermit Den c50
01/06/19 Nocta’s Hermit Den c49
12/23/18 Nocta’s Hermit Den c48
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144 Reviews sorted by


Zes_sif0
Zes_sif0 rated it
December 21, 2020
Status: c55
It's almost 1 year that this didn't update but I'm still hoping for it. The ending... The ending was just oh gosh- it made me cry for joy, , and that was also my first time. They didn't say it's complete but I hope they complete it with ML and MC happily living together.
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Merrymiss
Merrymiss rated it
December 17, 2020
Status: --
Spoiler

After chapters of endless pain, Crow ans Ilya finally found happiness. A miracle waa borne from the countless hellish timelines... that my heart broke from happiness.

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If you like pain and angst.... read this.
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Vekawa
Vekawa rated it
July 5, 2020
Status: --
This story is sad. I've cried basically at every chapter and I've developed a "thing" about the "pure" MC personality in novels (the girl didn't do anything wrong and was a "good" person, but I can't help but hate her).

It's not a perfect story and after the first "part" I didn't like it anymore. But I've enjoyed the process of reading and discovering the solutions with the protagonist.

This is pure angst. If you don't like it, don't waste your time. The purpose of the story is just not for you.
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Lawren808
Lawren808
July 2, 2020
Status: c55
I hate angst. If there is even a whisper of it I normally stop reading, but this story just s**ked me in. My heart broke every chapter and I cried so much my eyes swelled up.

cons to this story:

- author is slow to update

- every chapter is heart wrenching

pros:

- it is well written, the descriptions on how the characters feel and their inner battles Keeps you captured.
- the characters are deep

many more but I cant describe it.

i would give it a read if feeling sad doesnt bother you!
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Bobochii
Bobochii rated it
July 1, 2020
Status: --
I haven't read yet. I saw recommendations about this novel and many review about it. I can't bring myself to read cause I am a very emotional person. Please give me courage to read, after reading the comment I can't bring my to read this at all. I want to read but I'm scared I will get depressed again after reading this.
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eris421
eris421 rated it
June 28, 2020
Status: --55
I honestly dropped this the first time I read it. I was never a fan of the whole repeating or ground hog day concept. Same reason I didn't like Re:Zero, I just hate when situations repeat itself over and over again. So I put down this novel and forgot about it for the next few weeks. I gave it a second chance because I saw the manga adaptation on a website and I decided on a whim to read it since I had the time. When you get past the first arc of her explaining and reliving her past lives, you get to this really intricate and beautiful realization. You start to realize that this isn't just some sort of rebirth and the concept behind it starts looking more and more amazing. The Soleil Arc is when things start to pull together. You start to see that it isn't just things repeating itself, you start to see that Soleil isn't just some blind f*ck and that there are circumstances to his foolish actions. He still acts like a douche bag but his character starts to get some depth.
Spoiler

The moment that this novel actually started to be the best is the "If this is the real end" Arc. This Arc was just amazing, the way the story flowed. It was plot twist after plot twist and I balled my eyes out.

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The story unravelled beautifully and I am glad I read it. 10/10 would recommend
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chocolateiscream
chocolateiscream rated it
June 21, 2020
Status: c55
Damn, if you're looking for angst. THIS. IS. IT.

I became curious about because I read the first two chapters of the manga adaptation and when I learned that it has a LN, I thought why not give it a try, right? I have read a lot of reincarnation, transmigation, isekai, etc and this one just hits the spot.

The MC was refreshing. When she was reincarnated on that fateful day, she thought about becoming a better person for her self, her fiance, etc. But she still met her tragic ending. And... more>> every time she gets reincarnated, she faces the same problem of surviving in a world where her fate is to die a tragic ending.

Reading her lifetimes was painful to say the least. I often found myself crying on each chapter. As progress in the story, you'll see how the same events unfold with a different perspective each time. The more you know about the story, the more clearer everything becomes, one thing will remain for certain, you'll still wish for Ilya to have her happy ending, more than anyone else.

Thank you forthebamazing translator ofnthis novel. Translating angst with this much intensity and feelings wouldnt be possible if not for the amazing translation of this novel. <<less
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minchan_desu
minchan_desu rated it
June 14, 2020
Status: c40
OH MY GOSHHH....

MY EYES GOT SWOLLEN BADLY...?

Damn, the writer really make a rollercoaster of emotion and the translation is good mannn. All kind of frustration feeling, sad, anger, heart wrenched, mortified, helpless, all those feeling mixed so beautifully while reading until chapter 40 ??. I cant stop read it and takes me 6 hours to finally get a pause for a moment cz my swollen eyes cant take it anymore... ?

Well, I totally hope for ilya to get out from his miserable fate and soon will meet with her happiness.... more>> Eventhough the later chapter, explain Soleil and Silvia feeling, but sorry I still cant fully accept and forgive those two. ?

Anyway, thank you for the hardwork in translating this novel. Keep the update ? <<less
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I Saw A Shark
I Saw A Shark rated it
August 19, 2019
Status: c53
Truly a beautiful story. It's heart wrenching and sometimes you just want everything to end to put Ilya out of her misery. It'll have you in tears, but these amazing characters make everything worth it. I can't really explain, but even though there a people in the story that I'm supposed to hate, I just can't bring myself to dislike them. Everyone has some kind of reason behind their actions and it's understandable. You could take most of the characters that show up and make an entire story dedicated to... more>> them and it wouldn't seem off. There are parts that don't make sense immediately like

Spoiler

why do her parents hate her so much? Why does Crow decide to talk to her? Why is her sister so sick? And others

[collapse]

but everything is answered eventually.

I'd definitely recommend this to anyone looking for a tear-jerker <<less
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Yveluvi
Yveluvi rated it
August 14, 2019
Status: c53
Truly an amazing tear jerker novel. I thought I would be bored while reading this novel because she just continuously repeats her life after death with no conclusion in sight. But damn. I was wrong, I got so invested with Illya's character. Her yearning for love from her parents and male lead breaks my heart. Illya had envied her sister for being the center of their parent's and male lead's love and yet in the end she still loved and cherished her sister to the point of not blaming her... more>> and protecting her from Saion's attack inevitably ending her life. Though the male lead was an a**hole, I don't hate him, but I don't like him either. His POV chapters on Illya somehow changed my mind about him as it seemed as if he was being controlled. But that don't mean he is forgiven! Illya is so precious and her sufferings and deaths makes my heart ache for her. I truly recommended this to those who like reading tragic and tear jerker novels. <<less
1 Likes · Like Permalink | Report
Piyon
Piyon rated it
August 11, 2019
Status: c53
I am having headache from too much crying. But it was worth it.

The way the author put attention to little details that show up in the chap and at the later chap you noticed what that means was amazing.

Cannot wait to see how the story would continue. Highly reccomend it ! Please be happy Ilya ! (I am off collecting my wounded alcohol-doused heart after reading the story)
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Apyxie
Apyxie rated it
August 2, 2019
Status: c53
I cried, I'm depressed now and I couldn't stop reading it. The warning on the translator's site is completely true. I want to know how it ends though, cause it's building up to something.
1 Likes · Like Permalink | Report
Fulminata
Fulminata rated it
July 31, 2019
Status: --
This story is wistful, and sad. The MC is someone who relived the same exact scene as she knows it, again and again. Some things can't be changed, such as her feelings and her background. She tried to change things, but utterly fails every single time. The most heartbreaking thing is that in every iteration, she can't just abandoned her loved ones. She love them, even though it hurts, and I find that feelings to be very realistic. To be honest, the story will be much better if the author... more>> doesn't add an unrelated character to save the MC in the end. The story already has such a nice cast of characters; the appearance of that person in the end is interrupting the flow of the story; namely the MC's quest for happiness. Maybe it's because we're suddenly thrusted upon the viewpoint of an unfamiliar character, I feel like there's an immersion stopgap in between the arcs.

So, I believe it's 4.5 stars for this <<less
1 Likes · Like Permalink | Report
Demonsd
Demonsd rated it
March 19, 2019
Status: --
It's one of the best light novels I've read, the emotions it leaves when reading it, your feeling of being an M by not stopping reading it
1 Likes · Like Permalink | Report
papapa
papapa rated it
February 16, 2019
Status: c50
this is so good yet so heartbreaking!

i feel so so damn bad for sylvia; and keep wondering what the hell is happened to the poor girl!?

every chapter is well written and so mysterious, it makes you to look forward to the next chapters!

the more you read, the more roller coaster of emotions you feels.

it's just that sad yet beautiful.
1 Likes · Like Permalink | Report
This is Blog by Be
This is Blog by Be rated it
January 3, 2019
Status: c48
Cheesy title, but... Great story!

I already read it, and itss so awsome....

The way the story flow so good,..

Tho there is so many ninjas cuting onions...❤

I just hope the protag hve a happy life...

Ohh gawddd... I feel like my eyes became dry...
1 Likes · Like Permalink | Report
AriettaPen
AriettaPen rated it
October 24, 2018
Status: c43
Woo. This was a journey.

She really can't obtain happiness, huh? No matter what she does or what she uncovers. You really feel the hopelessness of the situation.

I hope that this will eventually resolve to her happy ending. She definitely deserves it, even if her fiance doesn't deserve her.
1 Likes · Like Permalink | Report
claireanne
claireanne rated it
November 1, 2021
Status: --
So tragic. While the FL doesn't get a happy ending, its the best ending she could get, since
Spoiler

she was destined to die.

[collapse]
Highly recommend, even though its a serious tear-jerker ;)
0 Likes · Like Permalink | Report
chun_yan
chun_yan rated it
October 29, 2021
Status: c18
you will have love/hate relationship while reading this, if you're also into emotional and mental suffering of distress.
0 Likes · Like Permalink | Report
Nyamu
Nyamu rated it
October 26, 2021
Status: c52
It is a 1* or a 5* depending on your personal preference (or distaste) for slow loops of ETERNAL SUFFERING.

In a way, it's like ... more>>
Spoiler

the Forgotten City (game). You know, the narrative-driven time loop adventure in ancient Rome. Where our beloved MC gets killed, goes back, tries to change something, gets killed again. Rinse and repeat.

And while most readers might wish death and destruction upon our 'supporting casts' of 'evil screwups' for their 'continuous betrayals'. It is really hard to blame some of them when time literally loops away their memory. Emphasis on some. The others deserve a special place in hell

[collapse]
<<less
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