Ragawa, Marimo

Takuya is a normal Japanese elementary student whose mother died not very long ago, leaving him alone with his father and his baby brother Minoru. But his father is a busy man, and Takuya has to look after Minoru. Because of this responsibility that would normally never burden a child of his age, Takuya sometimes resents his fate and his baby brother... but his love for Minoru gives him the strength to carry on.

(Source: ANN)

Included one-shots:
Volume 2: Time Limit
Volume 4: Secret Boy ni Tee Dasuna!!
Volume 6: Baka de Karukute Wagamama de
Volume 15: Natsu to Kimi no Irradiation

Akachan to Boku

Baby & Me

赤ちゃんと僕

Fujita, Kazuko

Momoko is the only girl in a family of 6. Her brothers and father are all overly protective of her, despite the fact that she’s the most capable of the bunch, and sometimes she takes advantage of this much to her own amusement…

Momoka Typhoon!!

桃花タイフーン!!

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

Ousaka, Mieko

The story follows a fantasy writer and her dog.

Eien no Nohara

永遠の野原

Kobayashi, Kaoru

At Inokashira High School, Kouichirou is assigned by his teacher to take care for the welcoming party for the female foreign student from Hong Kong who is going to study in his class. While he's having headache with the class's condition, he heard something loud. The source of that noise are one huge Helicopter and 3 more planes, and the girl who step out from that helicopter? She's Fang Ran, the heiress of the Chang Family, the richest family in Hong Kong.  

Fang Ran noticed Kouichirou and asked him for the direction for the Teacher Room, and soon she's introduced by the teacher in Kouichirou's class. Fang Ran remember Kouichirou and so she greet him, which cause the teacher to assign him to take care Fang Ran from now on. Read the story about Fang Ran, Kouichirou and their friends in this series.

China Girl

Matsumoto, Taiyou

Shigeo is a high strung elementary school student living with his mother. His only concern is getting ahead in life by doing well in school. He despises his father Hanao(who is separated from them), who's an idealistic free spirit and kid at heart infatuated with the sport of baseball.

Shigeo's mother forces Shigeo to take time to visit his father and so begins Shigeo's lessons that there's more to life than excelling academically (courtesy of his very childish father).

From Mangascreener

Hanaotoko

花男

Yamada, Yugi

Compilation of 7 short stories:

1) Love Affair in the Afternoon
College student takes over a tutoring job for the friend he has a crush on.

2) I don't mind it if You are a Man
College students/neighbors are (only?) sex friends.

3) Love's Worries
Ex-lovers from their student days are reunited.

4) Kana and Patience
Divorced man cheats on his new lover.

5) Why there is no Ice Beer
Younger co-worker always hangs out at his sempai's house.

6) Bring Me to the Edge of the World
An odd 17-year-old electrician puts in an air conditioner for sexy businessman.

7) Spinning World
Sequel to Bring Me to the Edge of the World. 

(Source: MangaUpdates)

Yarashii Hirusagari

やらしい昼下がり

Egawa, Tatsuya

Akira Sasanishiki, a math teacher at an elite high school where only grades matter, is a womanizing motorcycle freak who goes against school policy and helps students in need. To the school, this young teacher is a trouble-maker and a problem.

What is love? What is friendship? What is sex? What is violence? What is justice? What is evil? What is the "perfect society"? What is the "real world" like? With each student made to tackle the various problems that they must face to grow up - sometimes comically and sometimes seriously - this work is a kind of bible for the young generation.

(Source: MU)

Be Free!

BE FREE! ビー・フリー

Oyamada, Iku

A story about Kazuho Akashina, a high school student who came to live at the Argo Dormitory, but ends up being placed on the girl's side of the dorm.

Blue Peter

ぶるうピーター

Matsumoto, Leiji

A story dedicated to Leiji Matsumoto's beloved cat "Mii-kun." Later adapted into anime special

Torajima no Miime

トラジマのミーめ

Abe, Zenta

Kurata, Yoshimi

The series chronicles the lives of the staff and customers of a restaurant called Fujimura, owned by veteran chef Kumano.

Aji Ichi Monme

味いちもんめ

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 .

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