Fujiko, Fujio F.

"Doraemon" is a series about a robotic cat named Doraemon, who travels back in time from the 22nd century to help a schoolboy named Nobita Nobi. Aside from the normal manga books, their great adventures to different places are specially described in Doraemon Long Stories books.

(Source: MU)

Daichouhen Doraemon

大長編ドラえもん

Takekuma, Kentarou

Sakura, Tamakichi

King Bowser, a nasty dragon-like creature, wants to marry the pretty Princess Toadstool of the Mushroom Kingdom, a fantasy world where such things like Kinopi (Mushroom) people live. Bowser then threatens the Princess into marriage with him by turning the residents of the Mushroom Kingdom into stone. As the Princess heads to get her revenge on the tyrant, the Mario brothers, two plumbers who've somehow winded up in the Mushroom Kingdom, venture out to stop Princess Toadstool before she creates even more trouble, all the while defeating Bowser in the process.

(Source: ANN)

Super Mario Adventures: Mario no Daibouken

Super Mario Adventures

Super Mario Adventures マリオの大冒険

Ono, Toshihiro

10-year-old Satoshi, after finding a Pikachu messing with the wiring in his house, is on a journey to become the greatest Pokemon Master and to beat out his rival, Shigeru. Along the way, he meets with many other Pokemon trainers and advisors, including water-based trainer (and gym leader) Kasumi, ground- and rock-based trainer (and gym leader) Takeshi, and others.

Dengeki! Pikachu

Pokémon: The Electric Tale of Pikachu

電撃！ピカチュウ

Satoshi and company are challenged by a strange, cloaked pokemon, known to the reader as Team Rocket's genetic monster, Mewtwo. It's up to Satoshi to challenge this mysterious being...

(Source: ANN)

Pokémon: Mewtwo no Gyakushuu

ポケットモンスター ミュウツーの逆襲

Yu, Yuen Wong

Three years after the defeat of Apocalymon, dark powers begin to rise again in the DigiWorld. The 'Digimon Emperor,' a human boy, is on a campaign to enslave all Digimon and a new team of warriors must come together to restore peace.

(Source: Tokyopop)

Digimon Zero Two

Himeno, Kagemaru

How I Became a Pokémon Card is a manga series consisting of six volumes. Each volume features vignettes involving Pokémon like Jolteon and Dratini. A special Pokémon card is included with each book. It is drawn by Kagemaru Himeno, who is also an artist for the TCG.

(Source: Bulbapedia)

Pokemon Card ni Natta Wake

ポケモンカードになったワケ

Itoi, Shigesato

Itoh, Benimaru

A manga based on Shigesato Itoi's cult video game "Mother 2" ("Earthbound" in North America) and illustrated by Benimaru Itoh.

Mother 2: Ness no Boukenki

MOTHER2 ネスの冒険記

Sawada, Yukio

Following The Happenings Of Super Mario World, Super Mario-Kun Follows Mario, Luigi, And Yoshi.

Super Mario-kun

Super Mario: Manga Mania

スーパーマリオくん

Fujiko, Fujio (A)

Kaibutsu-kun and his companions, Dracula, Wolfman, and Franken, travel from Kaibutsu Land to the Human Realm, where they encounter and battle several monsters, mainly assassins from the demon group Demonish.

Kaibutsu-kun

Little Monster

怪物くん

Teshirogi, Takashi

Musashi lives with his father. His mother left them three years ago, but Musashi believes she will come back to them. One day they move from Tokyo to a village in the countryside. Musashi hates living in the countryside and asks his father to take him back to Tokyo. He wonders if his mother will be able to find him in their new home.

Soon after moving to the countryside, Musashi happens to see a man fishing for bass with a decoy fish. Musashi is fascinated by lure fishing. He learns a lot from the man, and discovers that his mother's father was a grand champion of bass fishing. Musashi feels that fishing could lead him to his missing mother. He shows a marvelous talent for lure fishing and takes trips with his friends he first meet, Mio and Suguru to many places around the world in search of various incredible fish. Through fishing, Musashi comes to enjoy living amongst nature.

(Source: Wikipedia)

Super Fishing Grander Musashi

スーパーフィッシング グランダー武蔵

Mitani, Yukihiro

The☆Doraemons Special: Robot Yousei Gakkou-hen

ザ☆ドラえもんズスペシャル ロボット養成学校編

Miura, Kentarou

Studio Gaga

Guts, a former mercenary now known as the Black Swordsman, is out for revenge. After a tumultuous childhood, he finally finds someone he respects and believes he can trust, only to have everything fall apart when this person takes away everything important to Guts for the purpose of fulfilling his own desires. Now marked for death, Guts becomes condemned to a fate in which he is relentlessly pursued by demonic beings.

Setting out on a dreadful quest riddled with misfortune, Guts, armed with a massive sword and monstrous strength, will let nothing stop him, not even death itself, until he is finally able to take the head of the one who stripped him—and his loved one—of their humanity.

[Written by MAL Rewrite]

Included one-shot:
Volume 14: Berserk: The Prototype

12 Manga Like Robot no Kuni SOS