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

Katsushika, Hokusei

Satomi, Kei

Hide (Hi-De) meets a mysterious girl named Miru and soon find out that she has special power. Miru will sneeze whenever she sense spirit or detect that some strange occurrence are caused by the something paranormal. The two travel together and encounter all kinds of paranormal activity causing by ghost, demon, human spirit and divine being .

Nanka Youkai!?

なんか妖かい!?

Lee, Kyoung Shin

Amyoung Doe and Padam Ma have always been cited as the misohnyun (handsome guy(s)) of their High School, but for some reason, they've been rivals for almost forever. Suddenly, Amyoung's mother and Padam's father marry and go off on an extended vacation, forcing them to live together at Padam's house. Then one day, Padam's father calls and tells them his deceased friend's daughter, Sihtah Ah, is coming from India to live with them. As their parents are absent, Padam and Amyoung deal with Sihtah, who seems to have a strange feline curse, and eventually, Madi Park and her friend Heesook move into the home. As Amyoung and Padam deal with each other and their quirky new guests, odd circumstances and strange cats appear. 

(Source: MangaUpdates)

Flash Cat

플래시켓

Tezuka, Osamu

Wansa-kun, originally designed as a mascot for Sanwa Bank, is a puppy who was sold for pittance and escapes. He spends the series searching for his mother. 

(Source: MU)

Wansa-kun

Little Wansa

ワンサくん

Doraemon is cat shaped robot from the future traveling all the way back to the 20th century in order to help Nobi Nobita, a lazy kid with nothing really going for him. Nobi is bad at sports, his grades are terrible, he can't even win a match of rock-paper-scissors. Doraemon has a hard task ahead of him but he is well prepared with a huge arsenal of the most inventive and funny gadgets available. The problem is he's not the most competent robot cat helper out there either and the pair gets in constant trouble because of it. Thus begins one of the most interesting friendships ever to appear in a manga series.

Doraemon

ドラえもん

Han, Yu-Rang

Hyun-Bin has been surviving on the streets by hiding the fact that she's a girl. In a tragic turn of events, her beloved little brother dies and Hyun-Bin runs away from the begging, from the gangs - straight into the clutches of a rich family. Her life might have become better but it's far from rosy: she has to undergo strict training every day and guard the family's youngest member, innocent and princess-like Yae-Ha. There are  only two rules, Hyun-Bin has to protect Yae-Ha with her life and no one must ever find out that she's a girl. It's a lonely and cold way of life but a fateful encounter with the delinquent Yun-Ha becomes a catalyst of changes to come, where loyalty and a sense of duty clash with feelings of love...

(Source: dollie_mixtures)

Love in the Mask

가면속의 사랑

Toriyama, Akira

When goofy inventor Senbei Norimaki creates a precocious robot named Arale, his masterpiece turns out to be more than he bargained for!

Basking in the glow of his scientific achievement, Senbei scrambles to get Arale in working order so the rest of Penguin Village won't have reason to suspect she's not really a girl. But first Senbei needs to find her a pair of glasses and some clothes...

(Source: VIZ Media)

Dr. Slump

Dr. スランプ

Ueda, Masashi

Kariage-kun

かりあげクン

Sasaki, Noriko

Doubutsu no Oishasan is a comedy manga describing a life in a veterinary college. Masaki Nishine, the main character, entered Hokkaido University and chose the animal doctor course without thinking too much. He met eccentric professors and graduate students there and was involved in troubles they made.

Doubutsu no Oishasan

動物のお医者さん

Manabe, Jouji

It`s face-to-face confrontation when Kahm stares down her father and refuses to end her relationship with Tetsuya. In retaliation, her father sends a punitive fleet to Earth -- with orders not only to crush the rebellion but to annihilate the entire solar system!

(Source: Amazon)

Outlanders

アウトランダーズ

Kobayashi, Makoto

What's Michael follows the adventures of a ginger tabby called Michael. The stories often change setting: in one, Michael may be owned by a young Japanese couple; in the next, Michael may be owned by an older couple with children and in a third, Michael might be owned by a yakuza. There are even story settings that place groups of cats in business suits or playing baseball in sport team uniforms.

(Source: The One Day Wonder Blog)

What's Michael?

ホワッツ マイケル？

Yasuko

A collection of short stories:

Mayonaka Express (Midnight Express)
Getsuyoubi wa Himitsu no Romance (Monday is a Secret Romance)
Daydream
2-nen G-gumi Romeo to Juliet! (Class 2-G's Romeo and Juliet!)

12 Manga Like Gate! Yonkoma