My Stepsister is My Ex

Description

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A certain boy and girl in middle school became a couple, flirted with each other, disagreed on trivial things, became more frequently irritated with each other… and eventually broke up upon graduation.

Now in highschool, the two of them, Irido Mizuto and Ayai Yume, wound up meeting each other in the most unexpected fashion.

The former couple, brought together through parental remarriage, decided to be mindful of their parents’ feelings and came up with a ‘sibling rule’—where the first one to become conscious of the other as a member of the other s*x loses, but…

When they encounter each other in the bathroom, commute to and from school together, along with the memories of the past and living under the same roof, just how do they disregard each other!?

Associated Names
One entry per line
Mamahaha no Tsurego ga Motokano datta
My Stepmom's Daughter Is My Ex
My Stepsister is My Ex-Girlfriend
Tsurekano
継母の連れ子が元カノだった
繼母的拖油瓶是我的前女友
連れカノ
Related Series
N/A
Recommendations
Gimai Seikatsu (13)
She Was Actually My Stepsister (2)
The Case of Liking the Most Beautiful Girl in the School Even After Being Told Not to Like Her (1)
I’m Fine With Being the Second Girlfriend (1)
The Results From When I Time Leaped to My Second Year of High School and Confessed to the Teacher I Liked at the Time (WN) (1)
The Neighboring Aarya-san who Sometimes Acts Affectionate and Murmuring in Russian (1)
Recommendation Lists
  1. Peak Romance (No harem)
  2. Romcoms
  3. Sugar + Little Salt
  4. RomComs I liked
  5. Best List

Latest Release

Date Group Release
01/19/24 Glucose Translations v11c5
01/17/24 Glucose Translations v11c4 part2
01/15/24 Glucose Translations v11c4 part1
01/08/24 Glucose Translations v11c3 part2
01/06/24 Glucose Translations v11c3 part1
12/23/23 Glucose Translations v11c2 part2
12/23/23 Glucose Translations v11c2 part1
12/09/23 Glucose Translations v11c1 part2
12/07/23 Glucose Translations v11c1 part1
12/01/23 Glucose Translations v11 prologue
12/01/23 Glucose Translations v11 illustrations
11/24/23 Glucose Translations v10.5c1 part2
11/20/23 Glucose Translations v10.5c1 part1
06/19/23 Glucose Translations v10c5
05/30/23 Glucose Translations v10c4
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30 Reviews sorted by


RRHood
RRHood rated it
May 4, 2022
Status: v8 afterword
I'm a little bit dissatisfied with the MC at v8 because of these line.

... more>>
Spoiler

"I love/like Yume but at the same time I am charmed by Isana.

[collapse]

Maybe the MC just want to be her editor or something excluding being her lover.

Maybe the author just want to prolong the series because he said that the series may have 5-6 volumes more (v7 afterword that may come true because).

Spoiler

v8 afterword author state that v9 is the "beginning" maybe because of the last conversation of Yuni-san and Yume that they have something to talk with their step/father (they discovered that they used to be lovers, the scene in the footbath (lover-dovey), or some problem that do not involved their relationship but on their parents

[collapse]

Enough of volume 8, let's move to the 1st to 7th. I just start with the last because that volume literally leave a bitter aftertaste in my mouth and in the same time rile up my mind. First to seventh is very good, the emotions are delivered (the same with all of the volumes or if you don't feel maybe I'm just pretty emotional).

The sides.

  • Akatsuki and Kawanami
Akatsuki creep me out a bit but she reeks of "I am the childhood friend" just like how Yume reeks of "little sister" (she's better to be the little sister in my opinion). She's the type that care literally the MOST hahaha. Kawanami, Kawanami is I can't describe him so maybe let's just use his own description in the novel (a frivolous guy).

The others Kurenai and Haba, Aisa and Hoshibe are nice addition to the cast.

Anyway, this series is good. I remember 5 months ago I'm with my best friend talking about novels while browsing for what to read, seen this and said " "My stepsister is my ex girlfriend?" sounds like not a good one" and two days ago I raided their house and brag about how good it is.

Good history, nothing magical happening (when you're reading and there's sudden big happen then you will browse the past volumes for it just to say "How the hell it happen?!!!" with literally 3 exclamation marks. <<less
2 Likes · Like Permalink | Report
ILikeTheIridoSiblings
ILikeTheIridoSiblings rated it
February 27, 2022
Status: v8
I like My Stepsister Is My Ex-Girlfriend and my no.1 best light novel, and when this light novel got an anime adaptation, I wanted it to be my favourite anime of all time, more than One Piece, Oregairu My Teen Romantic Comedy SNAFU, The Quintessential Quintuplets, Demon Slayer: Kimetsu no Yaiba, Miss Kobayashi's Dragon Maid, Rascal Does Not Dream Of Bunny Girl Senpai and The Rising Of The Shield Hero, Re: Zero Starting Life In Another World, Komi-san Can't Communicate and Spy X Family, JoJo's Bizarre Adventure and Attack On... more>> Titan.

So I'll look forward to the next Volume to be released and I'm really-really grateful to Ping-san thank you for all the chapters that you have translated I thankfully appreciated.

When the anime will be released, I also look forward to watched it. <<less
2 Likes · Like Permalink | Report
KPBaron
KPBaron rated it
June 14, 2021
Status: v5c7
This novel is absolutely one of the best novels I have ever read. The quality, plot, character development, their thought process, etc are high quality. This novel really takes me on a roller coaster of emotion and I absolutely love the relationship development of the MCs in volume 4.
2 Likes · Like Permalink | Report
Sksksksks
Sksksksks
February 4, 2022
Status: v4c7
I dont really get this part but.. They moved on and accepted the fact that they are siblings (step) right? Then where will this story go? Where da romance? Will this novel be "i was young and foolish but " until the end?

Is this novel only all about Mesmerizing or something? I dont get it. Is the MC actually the "read only member" guy?

I saw one comment about the siblings resetting their relationship every volume. So.. How would the author end it? Them being in a relationship? Kinda not happening.... more>> Just how would you end it author-senpai? Will this novel end up boring? This is good but I can see a future where this novel having a tr*sh ending like them being a step siblings until the end (unless the author surprises us). Well lets see anyways and sorry for my bad English

Edit:well v5c6 and what the hell is this? Whos the heroine REEEEEEEEEE. Dropping it

<<less
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Ddraig3652
Ddraig3652
July 25, 2021
Status: v1c7
story is pretty good so far but that minami girl really freaks me out. Just drop dead already I don't want yume to have this crazy psycho stalker bothering her anymore. Even I would call cops over what she did in v1c6 she is plain creepy.
1 Likes · Like Permalink | Report
Temporary ID
Temporary ID rated it
June 27, 2021
Status: v4c7
I'd say this was well done except for the creepy side character minami. Girl's very creepy. I'd rather take her out of the equation. Urrrggh
1 Likes · Like Permalink | Report
iseru
iseru rated it
November 13, 2023
Status: v10c5
One of the best RomComs I've read.

The main characters – Mizuto and Yume Irido – are both likeable and together create a nice dynamic for the story. The novel alternate narrators between all the characters, which is quite unique and enjoyable to be able to understand their inner thoughts. While it's a bit slow paced at first with a lot of 'resets' in each volume, I enjoyed the gradual progression and it was never boring anyways. Besides, everything does come together in the end, so it's important to be patient!... more>> In the later volumes, we're introduced to side characters with their own romantic relationships as side stories. Each of the characters had their own idiosyncrasies that defined their persona, seeing their stories progress in the later volumes was just as enjoyable as the main plot of the Iridos.

10/10 for me, if you're into fluffy RomComs with a certain degree of depth, definitely give it a go. <<less
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Anondesu
Anondesu rated it
August 15, 2022
Status: v8c5
There are both heartwarming and dramatic moments in this story. I'd like to see how the story ends, but it appears that there are still a lot of things that need to be done before the final volume, and I still don't want the story to end. I really like that the story isn't only focused on the MC and FMC; there are chapters that are dedicated to the other characters too. There's a lot of POV in this light novel.

... more>>
Spoiler

I know it's not highly possible, but I'm still rooting for Isana.

[collapse]
<<less
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siscon
siscon rated it
August 6, 2021
Status: v6 afterword
It's really good, got baited with the premise but the story kept me reading this. Still, I'll probably read the rest when the series is finished. It's not really good for my heart, man.
0 Likes · Like Permalink | Report
SeventhTale
SeventhTale rated it
June 24, 2021
Status: v6 afterword
I thought this will be a fluffy romance about the ex-couple who is now stepsiblings. Though I expect that there would be serious moments, I didn't expect it to have so many.

The two broke up because they started to hate or notice each other's flaws. I see that as them running away, as they said that when they broke up all the burdens in their shoulders was suddenly gone. This is story about how will they accept everything about each other, that their idea of each other is different, and... more>> how they will become close with each other much better than the past. Their new environment and their friends helps them to make it happen.

Now as you can see, it's not really just a simple fluffy romance story, as it will touch about the mental state of each characters, and their relationship with each other. Volume 1 is the most fluffy and I like since at that point, they are still on each others throat in their new environment as a stepsiblings. The next volumes will slowly show them what they don't know about each other and what are the changes.

It's good story that I will recommend to everyone whether they like a serious romance or just a light hearted one. The side characters have their own spotlights which is I like too. I just rate it as solid 4 because this is not what I expected to read. <<less
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