Isekai One Turn Kill Neesan: Ane Douhan no Isekai Seikatsu Hajimemashita

While saving a child from harm, otaku Asahi Ikusaba is transported to another world and believes he has reincarnated with cheat skills similar to those of the characters from his favorite games and novels. Unfortunately, reality strikes when an encounter with a powerful monster shows that he is still nothing more than an average person.

In this moment of extreme danger, Asahi instinctively calls out to his overly doting sister, Maya, who appears out of nowhere, possessing the overpowered abilities he thought he had. Maya is ecstatic to see her brother again and resolves to use her newfound powers to protect Asahi no matter what.

Together, the close-knit siblings attempt to find a way back home while enjoying their new lives. However, it soon becomes clear that their arrival in this world may have had a purpose. With the Demon King's overwhelmingly powerful army approaching, no one but Maya seems to be able to stand in its way.

[Written by MAL Rewrite]

Kilmaria Main

Koshimizu, Ami Japanese

Ikusaba, Maya Main

Shiraishi, Haruka Japanese

Ikusaba, Asahi Main

Sakakihara, Yuuki Japanese

Brigandine, Gloria Supporting

Tokui, Sora Japanese

Kuon Supporting

Kohara, Konomi Japanese

Tanya Supporting

Tsuchiya, Rio Japanese

Peaceful, Sophie Supporting

Waki, Azumi Japanese

Huan Supporting

Suzuki, Reiko Japanese

Lombert Supporting

Ootomari, Takaki Japanese

Anne Supporting

Takao, Kanon Japanese

Ozawa, Fumihiro Producer

Hirata, Minoru Producer, Planning

Konishi, Yuuki Producer

Iwatani, Yoshinobu Producer

Reviews

Sep 4, 2024

colelouch

Recommended

The show's premise isn't particularly unique: another isekai with a minor twist at the beginning to draw viewers in, but the first half is quite enjoyable. The main character isn't the overly powerful, revenge-driven, or clueless type that dominates many isekai today. Instead, he's weak but honest, kind, and determined to carve out his own destiny, progressing through his journey in a genuine way. The brother-sister dynamic, along with Killmaria, mainly serves as fan service, especially for those who have a thing for the "ara ara" older sister trope. However, most of the comedic moments are PG-13, nothing overly sexual or shallow. The show is ... lighthearted, episodic, and easy to watch.

Unfortunately, the second half loses momentum as new characters are introduced in an attempt to refresh the story, but this shift only turns the show into another harem isekai. Some of the jokes in the final episodes also fall flat, as the series tries too hard to parody other genres, which undermines its own identity. While adding new characters isn't necessarily a bad idea, keeping the core trio of the Asahi siblings and Killmaria might have been more effective in the long run.

Overall, it's an okay show to watch. If you can get through the first few episodes with ease, you'll likely enjoy it. Even if it's not for you, it's still better than a lot of generic isekai out there, so it's worth giving a try.

Reviewer’s Rating: 5

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Apr 12, 2024

AeroGunz

Mixed Feelings

“My One-Hit Kill Sister” (I seriously love the title of this one) is what happens when You have a brocon deficit.

One day a highschooler saves a child from being hit by a car, (did he just save someone from being isekaied and having an awesome life as an OP AF MC? Who knows? That’s not important) as a “reward” he gets into a coma and his body lies in the hospital bed. His… spirit? Mind? Soul? Whatever, gets sent to a fantasy world where he starts his new life as an adventurer. A not OP at all adventurer who gets into some serious trouble. Lucky ... for him, his sister arrives in the same world to help him. How? By hitting her head on the wall until she gets into a coma herself I guess. Unlike her brother, she’s overpowered af, quickly saves our hero and… demonstrates she has some serious case of a brother complex. From that moment on the siblings begin their new life in another world.

“My One-Hit Kill Sister” is a fantasy, isekai comedy with some ecchi elements to it. Because it lacks a main goal for its characters it’s mostly episodic. The previous episodes have little influence over the later ones. They aren’t completely self-contained but the watch order isn’t as important as in a show with an overarching plot.

There are two main characters that the plots revolve around.

Asahi - technically our MC with power levels that makes Kazuma from Konosuba seem like Conan the barbarian. For reasons known as “plot bullshit” he is given credit for his sister's deeds which makes him jump in adventurers ranking. He has more luck (both bad and good) than anything else, but he’s not a total moron. He’s aware of his place in the food chain and wants to get stronger but because of bad luck he lands himself in a lot of trouble. Luckily for him his sister has an unhealthy obsession with him and always saves his ass.

Maya - obsessed with her younger brother Asahi, young woman with power levels normally reserved for protagonists of shitty written self indulgent power fantasies. When I say “obsessed with her younger brother” I really don’t give it justice. To be with Asahi she inflicts blunt force trauma repeatedly to her head just to end up in a coma. In the new world, for some reason, she’s OP AF, which is lucky for Asahi because she is more than willing and able to save him from any danger. She also has a habit of adding “Big Sis” in the front of her attack names… yeah… make of that what You will. That said… she does want to go to incest town with her little brother (and judging by some of his actions and reaction I would say he isn’t 100% against the idea) and often uses her advantage over him to hug, cuddle and grab his ass. With a sister like that, who needs enemies?

There is one more character that we meet pretty early and she does appear often so I’m gonna add her to the list, even though she has a more supporting role.

Kilmaria - basically a demon version of Maya when it comes to power. She’s one of the Demon King's officers. Ok, seriously, why does it always have to be a Demon King or Demon Lord? Why not a committee or a democratically elected official? What’s with demons and monarchy? She has a major boner for fighting strong opponents which is why she quickly develops an obsession with out main siblings and tries to fight Maya on many occasions and often saves Asahi from trouble and even acts like a substitute sister.

When it comes to writing the show is a mixed bag. On one hand there isn’t much originality when it comes to the situations our heroes get into, on the other, the execution of them and the little twists are solid. The lack of main goal allows the show to experiment both the genres of episodes (most are still just pure comedy) as well as modify the group dynamic and the amount of characters. When a character is not needed they just disappear doing their own stuff without the need for the waiver to give a damn about it. It is a solid (but not great) substitute for a coherent, overarching plot line.

The drawback is that most of the episodes follow the same main route. Get a quest - fuck around - find out - get rescued by the sister. It is repetitive but thanks to the fact that the show has only 12 episodes it isn't as infuriating as it could be if it had 20 or more. It does however make it feel like it overstays its welcome a bit (about 1-2 episodes). Especially because things don’t really change. Asahi does get stronger over those 12 episodes, that is something that I can, and will, always commend - having a hero who actually evolves. But despite that his place in the group and the amount he contributes when shit hits the fan, doesn’t. Maybe except the last episode where he has a chance to shine.

The show is a dumb comedy (to be honest I sometimes got a flashback to Konosuba, especially in the way our main duo gets a house) and wears that on its sleeve and that’s something I can respect, even if the writing isn’t something to write home about. If You want some dumb fun without the need to remember details from previous episodes, You will have fun with this one.

Reviewer’s Rating: 6

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May 20, 2024

Zeno_Artaxerxes

Not Recommended

A normal guy that gets transported in another world with his sister. He starts basically from 0, while his sister is OP af.

That s the context of the whole story... which can work, but not in this case. It is random, bad random... situations that don't really make sense, like you know your sister is the most OP character, why are you still worrying about her so much?? It's like 60% basic isekai story that you forget a day after, and it's also made in a kinda cringe way, at least to me because it's too perfect to the stereotype of an isekai, where of ... course he's gonna say those lines and stuff... so nothing original there. I would say 20% is like the jokes, some which were somewhat successful, but some aren't, which makes fun of some of the tropes in isekai anime (why not make the whole anime like this? would have been wayy better than what we got...). The rest are his sister or other girls hitting on him or something... especially his sister... yea... it's that type of relation, but he still refuses it at least... And for real, after this anime, you'll become quite numb to the trope of falling into boobs, cuz it happens so damn much and it didn't have the comedic timing, at least for me. If you try to think too much about the story and stuff, it's just gonna hurt... it's a stupid kind of show in short. Doesn't make much sense in everything they do or happens, but it still goes on.

When it comes to characters, you don't have much to look towards as well. The only good one is Kilmaria, and maybe his sister, but she becomes a bit annoying sometimes. The rest of the girls are one dimension with no depth. The dynamic between characters is also weird overall. Again, it goes towards the idea of "stupid fun"...

There are some redeeming qualities I would say. One is the art. I thought this anime would rely heavely on CGI, but it didn't, none at all. So props to them for that. Alas, it wasn't that good of an art, but it still was pretty good for the most part.

Another quality is the ED... man... the ED is one of the best, at least until the last part of it which is okayish only.... kinda makes you theorize a bit about his situation. This anime didn't deserve such a cool ED... it doesn't fit it...

Story: 6 -- Not much of a story, too many stupid situations and the jokes are hit or miss...

Art: 8 -- Pretty good art, no CGI.

Music: 9 -- The ED is pretty good. And they also have 2 different OPs, in a 12 eps core... that's something ig.

Characters: 7 -- No depth, no nothing. The only one I enjoyed was Kilmaria, but even she didn't have much screen time...

Enjoyment: 7 -- Sometimes i was nice, sometimes it wasn't at all, but most of the time, it wasn't... too many basic forgetable moments, too many no thoughts put into scenes... I can't say I enjoy the "stupid fun" stuff, at least not in this manner...

Overall: 6

Right now it has 6.35 from 37.174 votes Ranked #8160 Popularity #2089 Members 99,193 as of 20/05/2024.
I can't say I recommend it to anyone but to those that wanna watch something and really don't have anything else, or like the "stupid fun" idea coupled with an ultra generic isekai made in cringe way. You won't get much out of this imo... Better spend it on another thing...

Reviewer’s Rating: 6

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