Hello everyone! Most gender bender manga series consist mainly people cross-dressing or boys transforming or turning into girls. I'm currently questing for any manga series when the girls transform or turn into boys.

Any help and recommendations are appreciated and grateful.

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"Talking too much is a sign of insecurity. So is keeping too quiet. So is breathing and having been born a human." ― Night Vale podcast

hmm, I have never noticed that! well, I search through the tags and the only one I have read wasn't that good Cute x Guy. There must be more out there, but well. And if you're okay with it being both way, you know a guy turns into a girl and the girl turns into a guy, there's a category for that: Body Swap/s.
any way, good luck on your search

Only know of girls cross-dressing or posing as a guy, not transforming into one.

Ouran High School Host Club
Mayo Chiki
Saiunkoku Monogatari - Only for a small part of the story.
Ai o Utau Yori Ore ni Oborero!
Boy of the Female Wolf
Love in the Mask
Angel Sanctuary - Not sure if reincarnation counts as transforming. Previous MC life was a girl, but due to circumstances, reincarnated as a boy.

Yes, I have heard and already read Cute x Guy. I think there must or should be more out there in the world. I'm actually all right with the body swapping category, but that's not what I'm currently questing for. Thank you for the suggestion!

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@oniisaki
I'm thankful for the suggestions, but I'm not searching for manga series when the girls cross-dress or pose as guys. In addition, I already read these series (and Ouran High School Host Club is my favorite one). I will probably reread these if I can't find any girl who transform or turns into boy manga series.

Ha... the search still continues.

***I still will not give up the quest!***  

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"Talking too much is a sign of insecurity. So is keeping too quiet. So is breathing and having been born a human." ― Night Vale podcast

(Oops, I just read one of your replies and you said you weren't looking for body swaps for this. Sorry!)

I'll leave the recs anyway incase someone else is looking.

These two may fit since they involve body swaps between a boy and girl. They're short (1 volume each).

Dou Danjo!?
Danshi-ing Girl!

Hmm.. maybe Divine Melody? Or if you don't mind yaoi Ayashi Kazokukeikaku.
But I think they're not what you're looking for.

Although I'm not looking for body swapping manga series, I appreciate you recommending it for those who are looking for that category.

[img]http://th05.deviantart.net/fs70/300W/f/2014/182/1/7/untitled_by_killlakillua-d7ov1zs.jpg[/img]

"Talking too much is a sign of insecurity. So is keeping too quiet. So is breathing and having been born a human." ― Night Vale podcast

Tomodachi kara yoroshiku desu?

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Oh my goodness.

I read this manga ages ago, but I'm glad it fits what I was searching for. I can keep hoping that I'll find more out there somehow. Thanks for the recommendation again!

"Talking too much is a sign of insecurity. So is keeping too quiet. So is breathing and having been born a human." ― Night Vale podcast

Oyajina!

Definitely Oyajina! It's so funny.

In First Grade
Boku to Kanojo no XXX although it's body swap.

And maybe Watashi no Suki na Senpai and Change H.

Two that are a bit different.
Nicoichi
Ningyo Ouji

Hrodulf and Bjornolfr, you will not be forgotten.
[img]http://i411.photobucket.com/albums/pp199/SyberAngelGabrielle/couplesig.jpg[/img]
[color=black]And if the world were black and white,
you would be my rainbow in shades of grey.[/color]

Click 'n Play!

If I had a fantasy self, it'd be a tentacle monster.

NG Life has a couple characters, one a MC, that were girls in their past life and are now a boy. if that counts

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Like educational manga? take a look at Ed U. Manga's list of manga here

well if you are still ok with permanent body switch, try Shishunki Bitter Change

in need of romance?
uncommon, sad, sweet

Mahou Shoujo Ore just got a anime adaption and was picked up by a scanlation group, so hopefully we'll see some English chapters in the future (chapter 1-4 raws is aleady available on Pixiv).

1/2 Prince. The girl transforms into a boy for a virtual reality game.