Ore no Isekai Shimai ga Jichou Shinai!

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“Live freely for my sake, remember to be happy.”

That was the last words Yuya heard from his sister, his last remaining family member.

However, Yuya caught the same disease as his sister, his life ended without fulfilling what his sister had wished for him.

――That was what was supposed to happen, but instead, he was reborn into another world.

Yuya was confused, but also found a reason to live. That was, to fulfil the promise he had made with his sister. Yuya pursued happiness as the second son of a noble family――Lyon’s life had only just begun…

――What? Because I’m the son of a mistress I’m forced to live alone away from the main house? Forbidden from studying? A political marriage has been decided for me? If that is the case how can I freely pursue my happiness??

Feeling he was cheated by fate until one day, he met a girl. The story of a boy pursuing happiness and his sisters with no self-respect starts now.

Associated Names
One entry per line
My sisters in the other world have no restraint
俺の異世界姉妹が自重しない!
Related Series
Yandere Megami No Hakoniwa (Same Franchise)
Recommendations
Sevens (3)
World Teacher – Other World Style Education & Agent (WN) (1)
Parallel World Pharmacy (1)
Risou no Himo Seikatsu (1)
Manga wo Yomeru Ore ga Sekai Saikyou ~Yometachi to Sugosu Ki mama na Seikatsu~ (1)
“Bungaku Shoujo” (1)
Recommendation Lists
  1. Onee-shota, Onee/Big Sis Experience (JP)
  2. My List (Fantasy/Isekai) V2
  3. Other
  4. isekai
  5. RomCom

Latest Release

Date Group Release
11/19/18 Creative Novels v4 extra
11/12/18 Creative Novels v4 epilogue
11/05/18 Creative Novels v4c34
10/29/18 Creative Novels v4c33
10/22/18 Creative Novels v4c32
10/15/18 Creative Novels v4c31
10/08/18 Creative Novels v4c30
10/02/18 Creative Novels v4c29
09/24/18 Creative Novels v4c28
09/17/18 Creative Novels v4c27
09/10/18 Creative Novels v4c26
09/03/18 Creative Novels v4c25
08/27/18 Creative Novels v4c24
08/20/18 Creative Novels v4c23
08/13/18 Creative Novels v4c22
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30 Reviews sorted by


Bored Guy
Bored Guy rated it
May 4, 2017
Status: v2
I notice something important about this novel. Rather than reading a manga or light novel it feels like I am playing a visual novel dating game. The plot, character development, mysterious element, battle system are heavily unexplained rather they exists only to raise flags to the heroines. In the first place a sister harem aren't done normally because it upset the character balance not to mention all the main heroines were introduced during the 1st volume.
2 Likes · Like Permalink | Report
FirosAhoge
FirosAhoge rated it
May 28, 2019
Status: v3c3
I wish I read the reviews before I wasted time with this crap. The MC and the author makes me want to tear my brain out of my eye sockets. Later on I just read the chapter titles and realized this crap will never change. Beta JP MCS... now I remember why I went to CN novels and avoided JP novels like the plague.
1 Likes · Like Permalink | Report
koolaid
koolaid
November 16, 2018
Status: --
The problem with stories where the MC is supposed to be smart, or smooth, or w/e, is that the MC, nor any of the other characters in the story can ever be smarter, smoother, or have any other traits that the author lacks (or at least lacks a decent understanding of) without it being an ass-pull where the author merely says it is so without any real evidence of it being that way, or has "genius" plans work due to making others make out of character decisions or s*upid... more>> mistakes that don't fit their character. (Basically making what counts for the standard level intelligence equate to mental ret*rdation so that the average plots of a MC or SC stand out against their pathetic competition)

I say all of this because I felt like this concept was slapping me in the face the entire time I read this. <<less
1 Likes · Like Permalink | Report
Renaxan
Renaxan rated it
June 11, 2018
Status: v4c13
I couldnt give the rating higher as its upmost limit I can give to this novel. As isekai-- Actually the story itself isnt bad, certainly in world building aspect. Just.. I cant deny this MC want of worst character ever for me. He is selfish, coward, and naive character ever- Despite his aboard knowledge in various tech, his mental isnt match it, felt like he just do anything without plan. Also in this story, MC make his heroine that protect him most time, as a guy he is failed. Heroine... more>> definetely shining more the main. Yet, funny things plot force him to get fortune with his lack of effort especially what happen in earlier story...

However its isnt bad as reading this novel as stroll walking in park. <<less
1 Likes · Like Permalink | Report
Danthefanokaku
Danthefanokaku rated it
May 7, 2018
Status: v4c8
Wow, okay so I’ll make this short and sweet. This series is about three things: children (and LOTS of them at that), forced marriages, and in*est (there’s also a lot of that too). If you like any of those things, then boy oh boy is this the series for you! If you don’t, then I don’t need to call the FBI on you so whew! Lotta lolicons in this series, must be that type of season.
1 Likes · Like Permalink | Report
2Girls1Cupcake
2Girls1Cupcake rated it
January 25, 2018
Status: v3c6
This is not a novel, it's a guide on how to be a beta cuck.

Seriously, this novel is maybe the worst I've ever read, the harsh beginning was interesting, yet as soon as we get past that, the implementation of modern knowledge is way too easy without any regard for reality, clearly showing the author's ignorance, everything is magically made and given away like it's tr*sh. I understand the reasoning, but it just makes the MC appear naive and s*upid.

In later chapters it's basically slice of life with an emphasis... more>> on making the MC thick headed, indecisive and even more ret*rded, as an example there's a question he asks about spirit magic that he should know at this point, it's thrown out to give the reader a better understanding of the different magics, but it's clear that it should have been said earlier, giving the impression that this novel is just written on a whim, with no clear direction, while making the MC look bad. Which is probably how it really is.

The novel is apparently from 2016, yet it jumps on the bandwagon from 14 or before, with tropes that are even more outdated. Don't get me wrong, I don't like the current trend of everything either shoujo or grimdark from 2017 until currently day being giving 5 stars as a default, neither do I dislike the genre of this just because it's a cliche, it is used that much because it works and it's what people like, me included, yet it's just a fact that this novel had a great foundation to build on, yet the author doesn't learn from all the other earlier works and just gives us something even worse. <<less
1 Likes · Like Permalink | Report
Dobber1k
Dobber1k rated it
October 14, 2021
Status: v4
Honest opinion? It’s tr*sh. But I’ve read garbage that’s 0/10 this is high 1 or low 2 out of 10. MC is weak. Remains weak. And not just physically. Mentally he starts strong. Like he will conquer anything, and he gains some power and is seen as someone significant but as the story progresses it just shows how weak he truly is. It gets tired of him denying everything over and over. He never learns in my opinion. Basic info that he’s interested in the beginning, but apparently he decides... more>> after he overcomes the first volume he doesn’t need to ever do it again. The scenes where he needs to do something last half a chapter before he decides an action and most of the time he does a roundabout on them. He fails often. The typical Japanese characteristics that we always see are super exaggerated which is a borderline headache in some of these low class novels. Him being inside his head having a self conflicted conversation in his head for half a chapter happens at least 7 times out of 10 chapters. I like everyone but the MC if we’re being honest I think he ruins the novel. If you cut him out then Alice would be a better MC. That’s all. Thanks <<less
0 Likes · Like Permalink | Report
stevedtat
stevedtat rated it
October 25, 2019
Status: v2c1 part1
I read all the way up to vol 2 and I just can't get into it. The MC is just too much of a pansy a** and the whole "I don't want my fiancee because she's the reincarnation of my sister" bullsh*t. His sister is the cheat and he's just a candy a** weakling but yet all these girls like him because he's 'kind'?! I just can't read anymore of this crap.
0 Likes · Like Permalink | Report
Emiyamanu
Emiyamanu rated it
January 7, 2019
Status: --
This is not reincarnated story. Because MC follow situation and don't have will to change his personality from revenge his father. Not decent from standard reincarnated jp novel. But it same whit TO LOVE RU if you look the heroine. I'm laughing very much.
0 Likes · Like Permalink | Report
BlueNightMan
BlueNightMan
August 4, 2018
Status: v1c2
I came here for reasons that I will not explain much

but... the one thing that I will explain is that I was interested in this, because it looked like the MC would be... well... not like this

then I realised that this was going to be all about children

WARNING! read at your own discretion:

... more>>
Spoiler

THE f*ckING 7 YEAR OLD WAS INTERESTED IN s*xual interc**rse WITH HER 6 YEAR OLD BROTHER... honestly, this may just a misunderstanding but when her maid (of the 7 yo) came in the secluded house/room thingy (where he (the 6 yo) lived) and asked him if he was interested in it, it would be only logical to end up in such a conclusion

[collapse]

END of danger zone

anyway... as far as i've read... i've only seen a lot of stuff about diseases so I can only think that the series will be heading that way (the MC will be some kind of doctor) I am not interested in doctors or novels that explain diseases so I am dropping

one of the main reasons that I came here was because I thought I would "see" some brother-sister action (not meaning it in a s*xual way) in a different world (after such a setup in the summary) <<less
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