When other people experience a body transformation, it is inevitably either male to female or female to male.

Me? I wake up to find myself transformed into two different bodies.

Both a male body and a female body, one conscience operating two bodies, all sorts of embarrassing moments.

Walking together normally makes other people think that I am sweethearts with my other-self, such sadness.

Also, the entire business of a hero rescuing the beautiful maiden, I call Bull.

I get slashed by a sword and my female body gets abducted, and he wants me to thank him?!?! Can it be less of a tragedy?

17 year-old Qi was diagnosed with an incurable disease at a young age. Doctors warned that she would probably die by the age of 20; however, Qi's genius with robotics allowed her to create robots to act and hands and legs for her when her body became too weak. Yet despite all her genius with robotics, Qi's dream to replace her dying body with an entirely robotic one seems an impossible one. However, just as Qi's body seems finally ready to give out and she is on the verge of death, something unexpected occurs...

Once rich, now poor. Two souls, one body. How did she come back from the dead? Just what happened to her in the haunted house?

Poverty-strikened Yang Jinghua had an accident. The moment he woke up, he seemed to be 10 years younger. Yang Jinghua thought he had been reborn, and when he was about to step out on the path for a new beginning, Duanmu Xi, appeared before him. He not only told Yang Jinghua that he was dead, he even asked for him to join him.. in a Soul Contract.

From Naver:

Iremy, Enz follows Ethermask around the world looking for a lost magic. Along the way, they find friends, defeat enemies, and uncloak the mystery behind Ethermask's immortality.

As a manga tie-in for the then ongoing anime in 1966, this spin-off was serialized for a younger audience. As a little lion cub in the jungle, Leo must find a way to stop an aggressive red rhinoceros from hurting his jungle friends. Watch a boxing match between Leo and a rogue lion, Bubu. Help Leo save a brave hero as he gets revenge on Lubar, an elderly leopard. Finally, learn about Laiya's brother and how a hydra-snake was able to devour their entire family. These chapters of the Shogakukan Sunday Comics were re-released in 1994 with the Complete Manga Works edition of Bouken Ruby (冒険ルビ).

The coming of age story of one’s teenagers journey in an era of war, fighting, and intrigue. As we dwell on the story of his cursed existence and how fate takes cruel turns.

In the world of demons where humans are simply an old folklore...

In the "quintessential fantasy of sword and sorcery, and of humans and beasts," a wise king named Carliga and a hero named Jack are enmeshed in a conflict over the Holy Sword, a relic of a great war. The sword will once again bring together the ambitions of two great nations, and a woman bandit named Zety will also become involved in the conflict.

From Seven Seas:
Three things you should know about Touga Eita, second-year high school student and heir to the Touga-style ninjutsu dojo: First, he really, really loves video games. Second, when given a choice between heroics and saving his own skin, he will always choose the latter. Third, he's never so much as kissed a girl.
All this changes when a voluptuous girl with wings and taloned feet named Aero appears and calls on Eita to help save her people-the harpies of Re-Verse-from the merciless onslaught of giant robot monsters known as Gigas. Eita will follow his newfound harpy friend into a whole new world, filled with monster girls and fantastical creatures beyond his wildest dreams.

Weekly Shonen Magazine 60th anniversary Crossover Special!

Yang Jian is exiled into the human realm from the Heavens in order to repent. His former partner, The Howling Celestial Hound, has reincarnated into a young girl. Witness how a barbaric Immortal from the Heavens and his partner move 100 demons to tears.

I was reincarnated as the daughter of Duke Lystil, who has been serving the Royal Family for generations. By using the clairvoyance skill that I possess, I had divination about a battle over the family succession caused by myself in the close future, which would also cause an uproar huge enough to shake the country... To avoid such dispute and live an enjoyable life peacefully, I decided that I will run away from home!

But with the Tsundere Prince ・Self-centered Servant being all over myself, it's quite hard for me to go and disappear!!

This fetish is... deep!

A romantic comedy featuring a hero with an unusual fetish, and his monster girl companions!!

Misa's childhood friend and inspiration, is a hero, and a massive furry! Misa, a young magician, does her best to try match her hero friend's fetish. Along with a sphinx, kobold and a succubus! Whilst adventuring with many different monster girls, will Misa deepen her understanding of furries!?

However she will face many challenges, such as entering a room that cannot be escape without getting freaky, or facing off against ultimate supreme monster girls...

Will she be able to seduce the hero that inspires her!?

The young Xiao Lang awakened with a Divine Spirit, but the others believed it to be a useless one. He was ridiculed by everyone and some even sent assassins after him, thus forcing him to leave his clan. From then on, he surpassed his limits and attained unimaginable strength! “If the Heavens restrict me, then I shall break the Heavens!"

In a jungle in Africa right on the equator there was a white lion, Panja, who was called the "Emperor of the Jungle." But Panja is killed by a hunter. His wife, the Queen of Jungle, who has been caught by the hunter, gives birth to the son of Panja on a ship bringing them to a zoo. She names her son "Leo" and has him escape from the ship, saying, "Go back to Africa and become the successor of your father." Then a storm comes and the ship is overturned, and sinks with the Queen on it. Leo is washed up on the beach of a port town in the Arabian Peninsula, not Africa. This is where Leo's long adventure begins.

From MangaHelpers: Luca's friend Will, who is from a lower-class segment of society, has gone missing. Luca's only clue to find his friend is his fondness for a certain club in the entertainment district, where a woman named Yue performs. Will had always said they should go there together sometime. When Luca goes down alone to try to speak to Yue, though, he ends up being beaten badly. Luckily, Yue herself finds him, and takes him to her friend Takaomi to be patched up. It soon becomes clear that Will has fallen victim to a chimera sickness that is becoming common in the lower classes. Luca is determined to find his friend, and to save him. [tethysdust]

In a small Nepalese shop, Makoto Fukamachi, photographer for a Japanese expedition to conquer Mt. Everest, stumbles across a camera which may well be that of George Mallory, the celebrated mountain climber who was the first to attempt conquering Everest.
Mallory disappeared along with Andrew Irvine during the course of their ascent in 1924, without leaving any indication of whether they reached the summit or not.
So, what if it was only on their return trip that they had their fatal accident?

Note: Won a prize for excellence by the Agency for Cultural Affairs at the Japan Media Arts Festival in 2001, received a nomination for Ignatz Award for Outstanding Graphic Novel and Outstanding Series in 2010 and the fourth volume was nominated at the 2014 Eisner Award in the category "Best U.S. Edition of International Material - Asia".

From Antisense Scanslations:
Set sail in this shipboard drama set in the Age of Exploration from amazing mangaka Nagano Mei. The time is the Industrial Revolution, the location England. Monica, a young girl living in the slums, was making a good living as the nursemaid of Evan, a young child of a wealthy household. But when her master's ship goes missing, she's cut loose. A year later, while visiting his coffin, she happens to see Evan, the child she once took care of. She decides to abduct him and take him away with her on a ship.