483rd G-View: OniMai! I’m Now Your Sister!

Admittedly this is one of those shows a fan of mine recommended I check out as I had no idea what to expect nor if it was worth my time. I imagine readers are here to find out after finishing it if it was indeed worth my time (and yours) or not. Let us take a look at OniMai! I’m Now Your Sister!

WARNING! The following anime features a former male protagonist turned female by science. Readers uncomfortable with the gender-bender trope or are unable to look past it for the sake of Yuri are advised to not bother watching.

OniMai Cover

Alternate Title: Onii-chan wa Oshimai! (Japanese)

Genders: Comedy, Ecchi, Gender-Swap, Slice of Life, Yuri

Number of Episodes: 12

G-Rating: 9/10

Plot Summary: Mahiro Oyama was just a normal erotic-game loving dude…until he woke up one morning as a woman. Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as Mahiro’s concerned. But Mihari is as determined to study HER as SHE is determined to go back to HER shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out.

Mahiro modelingBesides Ranma 1/2 the other gender-swap show I watched was the Yuri classic Kashimashi: Girl Meets Girl. I had also saw anime like Magical Girl Ilya, Uzamaid and Kodomo no Jikan. I mention these particular shows because they both featured smol/petite girls in risque predicaments and other things that catered to me besides Yuri. Hence I was prepared for whatever “disgusting” thing the Internet threw a fit over after the premiere episode aired. Perhaps because I had seen the aforementioned show or my over two decades of anime consumption but the ecchi moments had me going “I’ve seen naughtier“. However, not everyone has as much experience watching naughty animated Japanese media as I so for some readers the more risque moments may be too much. Best consolation I can give is not all episodes are delightfully ecchi.

Besides some naughty moments and a toilet running gag that got me good only once what else can viewers expect from this show? Put simply another wonderful Girls’ Club/Cute Girls Doing Cute Things full of “d’awwww” moments and simple but effective life lessons. Admittedly the first two episodes did not sell me on the show and I thought they were average at best though admittedly both episodes had one excellent joke.

Mahiro and KaedeThen Kaede debuted in Episode 3 and happy times followed ever since with more wonderful new characters introduced one after another. I would not say Kaede is the main reason to watch the show as she does not appear often (Though she is one of my favorite girls) but after her appearance it quickly became clear why I was recommended this show.

OniMai at its core is a heartwarming show about family, friendship, acceptance, self-discovery, being true to yourself, going against stereotypes to a degree, opening up, sexual discovery etc. All of this connected to Mahiro’s ongoing conundrum of whether her new feminine traits, mannerisms, likes, dislikes, passions etc. are the work of Mihari’s potion or she was always this way but did not know it. Speaking of the potion do not expect to find out what went into its creation or anything like that but more importantly Mihari’s mostly isolating quest to grow her brain big enough to concoct it is explored along with other neat character studies I alluded to earlier in this paragraph.

Queen MahiroOne of the few things I will lightly spoil about one of the characters is Momiji’s interests. One would think upon first meeting her she only has one kind of interest connected to what she wears but there are times she likes things opposite of her dress code. “Do not judge a book by its cover” I suppose. The point is the show delves into topics and morals that have simple answers on paper but because society is the way it is many of these questions with straightforward answers come of as eye-opening discoveries. Simple stuff such as “Like what you like. Do not be a jerk” and “Accept people for who they are” can be tough to grasp in this day and age.

Besides the cuteness, sexiness (both cultured and controversial depending on who one asks), fluffiness and cool exploration of life stuff the next thing of note is the stellar presentation. To say the animation on this show is great would be an understatement. It is downright gorgeous at times amplifying the “fluff” and “yum” exponentially. It must be seen to be believed. The soundtrack is cute too.

Normally this would be where I go over characters, hinting their traits and all that but besides what I discussed and the little nods to characters it is best for viewers to see for themselves who fits into what category of character exploration.

Mahiro and MomijiLike the interactions the Yuri is precious. Let us just say my heart melted in the Christmas episode. Wataten Yuri vibes, specifically from the younger cast, including Mahiro. The older ones get in on the action too of course but must be patient. Then there is a new people’s champion. One whose gay brought joy to cultured people. Not since Hotaru Ichijou has a champion of Yuridom inspired fans across the nation to cherish women in love with other women as much as this girl. I salute you oh mighty people’s champ,

Overall OniMai is a “give it a chance and you might be pleasantly surprised” kind of show…provided you are someone who can “take the heat”. It is not for everyone as only the experienced and open-minded may be able to see what it has to offer and perhaps come to embrace it. The characters are wonderful, the exploration of gender not too deep but still nice, the themes covered simple to understand but still eye-opening. The presentation as fantastic as it is adorable and the Yuri oh so precious. I did not expect to enjoy this show as much as I did. It is worthy of any Girls’ Club connoisseur’s library of moe excellence. It all depends on whether you are willing to give it a chance or tolerate it.

About OG-Man

Yuri and Slice of Life are my anime passion.
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18 Responses to 483rd G-View: OniMai! I’m Now Your Sister!

  1. Kotori_Sonoda says:

    Onimai was one of the surprises for me this season. I wasn’t expecting it to be as wholesome as it was.
    its clear Mihari and Mahiro do care for each other a lot, what a happy family they are.
    Seeing Mahiro essentially get a second chance at life, gain friends, I really liked that.
    And Mahiro’s classmates/friends are a colorful cast that are also fun to watch.
    if they make season 2 I’m definitely all for it!

    Liked by 2 people

  2. cirno9fan says:

    I’ve probably already said this before, but I was hesitant about this one for reasons that the final episode covered. That’s when I originally dropped the manga. I probably should have read further, but it also was not nearly as engaging as this anime managed to be. If it were, then I doubt I would have quit just because of a plot point like htat (also keep in mind, I was reading this as it released, and had absolutely NO IDEA where things would go.). But that’s what history was like for me.

    So, many years later, I got the surprise of it getting an anime. I was going to give this a chance regardless, but went in pretty cautiously. The first episode all but destroyed all the barriers I had built up against the manga. It was just that good. And it just kept on being good. And getting better and better.

    And then there was the yuri. The amazing, wonderful yuri~ I know it wasn’t as blatant as that other show, but they’re middle schoolers (while Kaede and Mihari are high schoolers almost college aged), so the progress takes time. I started out really heavily shipping Mahiro and Momiji, and thought “Miyo and Asahi could probably work out”. But, as it went on, things started to change. Firstly, Miyo really started to push her way into my heart. She became more and more endearing. And before I noticed it, I was actually shipping her and Mahiro. At first just lightly, and still pretty heavily on team MahiMomi….but that changed too. And by the end, I was full team MiyoMahi. The younguns aside, I was always going for Kaede and Mihari. They really have a nice dynamic~

    I could probably go on and on about this show really. It was just really amazing. From the animation quality, to the story, to the character interactions, everything was handled really well. It’s my personal anime of the season ❤

    Funnily enough, I greatly feared/was anxious about that arc broached int he final episode, and yet it ended up being one of the best episodes of the show XD Life sure is life sometimes. Going to miss this one…hopefully it gets a season 2 in the future!

    Liked by 1 person

  3. Jeanettelith says:

    It is curious that at the end of the 11th episode there was art from Namori (Yuru Yuri author). Actually, if i hadn’t accidentally stumbled upon this on the Internet, i wouldn’t have given this show a chance. Now i don’t regret watching.

    Liked by 1 person

  4. Fede 5000 says:

    An argument that at first seems very shady is a very innocent, kind and pretty series about a couple of sisters? which also has such good animation
    Certainly it is as you say about this series that it is about second chance in life, it seems to me a much better version than Relife and its clones since here the boy does not try to prove that he is better or superior to the rest of his friends or to try to help them because it is their duty, on the contrary, its about to stop believing that they have responsibility for their lives and show the purest and most disinterested friendship as in the best CGDCT

    Liked by 1 person

  5. Raymond says:

    All I can say is I love this series. ABSOLUTELY GORGEOUS! Enjoyed every minute of it! My favorite part would be when Mahiro tried on the lip balm Kaede gave her. WOW! SHE TOTALLY FLAUNTED HER FEMININITY TO EVERYONE! I absolutely love how she basked in the adoration all the girls in class gave her. I love all the fan service. What I love about this series is that instead of Mahiro trying to find ways to return back to normal, she instead embraced being a young girl completely. No sense crying over spilled milk. Make the most of her time being a girl and don’t worry about the consequences. Enjoy the moment while it lasts. In the final episode, she has to make a crucial decision. Does she want to go back to her old self and leave this new life behind? She chooses to be a girl. Mahiru asks her if she made the right choice. It may be a long while before she can return back to her old self. Mahiro understands and says that it’s okay. She LIKES this new life of hers and don’t want it to end anytime soon. Really good story. I highly recommend it.

    Liked by 3 people

  6. its my favorite anime of the year and I think it is a shame that many people hate it just for having ecchi and they misinterpreted a lot of double meaning scenes that are just jokes 😢

    Liked by 2 people

  7. LongLiveLesbians says:

    Absolutely loved it~

    Wonder when people* will realise that sex-appeal (same goes for ‘fan-service’) is completely subjective, though?

    (*Not absolutely everyone)

    Liked by 2 people

  8. K says:

    For a short while, I was thinking of not watching it but I decided to give it a whirl. I was not disappointed in the slightest. Onimai was one of the best anime that I watched this season with an interesting premise, nice characters, eye-catching animation and very wholesome moments. Thanks to Mihari’s desire to help her bro, watching Mahiro’s second life was a very enjoyable experience, indeed.

    As said before, the characters are a bright spot, my personal fave being Miyo. Being a fellow traveler really helped with that 😉 . I loved her expressions whenever she put her yuri glasses on. My favourite part was the Christmas date. The animation there was spectacular.

    Liked by 2 people

  9. chikorita157 says:

    I have to admit I am too presently surprised by this show too. Yes, I heard controversy behind it, but it actually turned out to be more of a wholesome CGDCT kind of show.

    I think it’s implied that Mahiro is a transgirl as she seems to pick the feminine option by default, even during the trip as she takes the drug. I do wonder if gender dysphoria caused Mahiro to become a hiikomori before her little sister using the drug on her. It’s very plausible since she seems happier and sociable now that she has friends and being close with Momiji. Their date was precious and I do like their pairing.

    Of course, Miyo has good taste in yuri manga and I’m surprised that they used actual Comic Yuri Titles as part of it.

    Liked by 2 people

    • OG-Man says:

      I learned not to take Internet outrage seriously as it’s often exaggerated or misplaced.

      Good assessment, yes. Could very well be the case.

      Momiji is Mahiro’s soulmate.

      Miyo is a praiseworthy champion with great taste in media.

      Liked by 2 people

  10. yurimylove says:

    I marathoned the whole show between seasons. Cute show with some lol comic moments. How come no one pick the genki chick with a fang as best girl? Oh well I’ll be the first to then 😀


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