ARAKAWA HIROMU

"Humankind cannot gain anything without first giving something in return. To obtain, something of equal value must be lost. That is alchemy's first law of equivalent exchange. In those days we really believed that to be the world's one and only truth."In an alchemical ritual gone wrong, Edward Elric lost his arm and his leg, and his brother Alphonse became nothing but a soul in a suit of armor. Equipped with mechanical "auto-mail" limbs, Edward becomes a state alchemist, seeking the one thing that can restore his brother and himself... the legendary Philosopher's Stone.

Defying the expectations of family and teachers, Yuugo Hachiken chooses to leave the city and enroll at Ooezo Agricultural High School. Having always been at the top of his class, Yuugo assumes a rural school will be a breeze, but mucking out stables, gathering eggs, and chasing errant calves takes a lot out of him-and fills him with something he's never experienced before. Surrounded by endless fields and fresh air, Yuugo discovers a new connection to the land and to life...Springtime begins at Ezo AG!!

As an unnaturally heavy mist descends on the battlefield, King Andragoras and his most valued officers confer among the bodies of dead and dying soldiers. When Daryoon, a young but highly skilled officer, voices his reluctance to send men into battle under these conditions, the king, unstable and enraged, banishes him. Now, Daryoon's new mission is to insure the safety of the King's only son, Prince Arislan. Daryoon and Prince Arislan set off on a quest of their own, but they can't succeed alone. They must convince both the Lord Narsus and his companion, the archer Elam, to join them in their quest to somehow help the soldiers win the war. Now a group of only six they must somehow overcome an enemy of 300,000 soldiers! These unlikely soldiers have fate on their side, so anything can happen!

In an alchemical ritual gone wrong, Edward Elric lost his arm and his leg, and his brother Alphonse became nothing but a soul in a suit of armor. Equipped with mechanical "auto-mail" limbs, Edward becomes a state alchemist, seeking the one thing that can restore his brother and himself... the legendary Philosopher's Stone.

In the prosperous kingdom of Pars lies the Royal Capital of Ecbatana, a city of splendor and wonder, ruled by the undefeated and fearsome King Andragoras. Arslan is the young and curious prince of Pars who, despite his best efforts doesn't seem to have what it takes to be a proper king like his father. At the age of 14, Arslan goes to his first battle and loses everything as the blood-soaked mist of war gives way to scorching flames, bringing him to face the demise of his once glorious kingdom. However, it is Arslan's destiny to be a ruler, and despite the trials that face him, he must now embark on a journey to reclaim his fallen kingdom.

In a world where certain humans command mighty supernatural duos called Daemons, it is the birthright of "the children who sunder day and night"—twins Yuru and Asa—to rule over these powerful entities. Separated from a young age and unaware of the truth of their birth, brother and sister must fight to make their way back to each other, claim their birthright, and save the world...

The manga centers on Yuru, a boy who lives in a remote mountain village, spending his time hunting birds and being one with nature. But one day, Yuru’s younger twin sister Asa is called to serve in the jail at the heart of the village, her duty also confining her there. Yuru slowly unravels the unnatural mystery hidden beneath his quiet village.

Legend speaks of seven heroes, each one bearing the power of one of the stars of the Big Dipper. Two of these stars are constantly in conflict, destined to battle and throw the world into chaos… Not that Taitou has ever paid much attention to old stories. Headstrong and defiant, he is the last in his village to complete his coming-of-age ceremony — a fact his sister Laila incessantly teases him about. When he is finally deemed worthy, he is presented with the Kenkaranbu, an ancient sword that can only be drawn by a true hero. As the frustrated Taitou struggles to unsheathe the sword, a mysterious thief appears, making off with the blade and citing the legend of the Big Dipper. The stars have been set in motion, as Taitou sets off after the Kenkaranbu and the truth of his own destiny…Hiromu Arakawa, creator of Fullmetal Alchemist, brings the legend to life!

An alternative first chapter introducing the Elric brothers and the law of Equivalent Exchange.

A kunoichi, Henpukumaru, awakens in the mansion of her enemy. She is introduced to the future lord of the mansion, Chiyozuru. Chiyozuru is able to get the unemotional Henpukumaru to smile and react differently than she normally would. But then... 

A warrior, plundering the people for money, finds a military dog, a creation that with the power of a dog and the intelligence of a human and takes the dog in as his own and becomes the dog's master.

[From Anime-Source]:Taking a break from her popular, brilliant, Fullmetal Alchemist; Arakawa-sensei drew up a one-chapter humorous Shounen story about a Frankenstein tournament, for mangazine GX to commerate their 5th year anniversary.