I'm confused, is what many readers will feel, when they read this short story about a guy, his wife, and the long red something!

From Yasca:
The experienced Inspector Kazuhiko and the pre-graduate Michihisa are a loving homosexual couple. But Kazuhiko is always busy and seems to constantly find himself in trouble while Michihisa gets into just as much trouble himself! Frustrated with the little time they have together, Kazuhiko seeks help from Michihisa but the latter, not wanting to bother the already work-overloaded Kazuhiko, continually attempts to solve these problems on his own...

From ilovemanhwa.com:

A HIDDEN WAR AROUND THE SECRET OF SEOUL, THE 600 YEAR OLD CAPITAL OF KOREA. Joo-hee never dreamed he would be investigated in the Presidential Residency by making emergency calls to see the flame from the city center though he felt wrong to know noone else witnessed the flame at school. People from National Fengshui Office said Seoul is in danger, for some people are breaking the seals on the places of bad chi. Indeed, people are killed by unearthly monsters, and not knowing what talent he has, Joo-hee's life is swept to this hidden war.

From Tokyopop:
In these haunting tales, Dolls-- human-like androids-- have an uncanny way of working themselves into the lives of their masters.
DOLL examines the question of what it means to be truly human.

From Tokyopop:
When Mink rushes to buy the latest CD by her favorite pop star, Illiya, she winds up instead with a software disc from the future that allows her to become whomever she wants. When she and her friends decide to program a Cyber Idol version of herself, all Mink's dreams come true. In fact, she is soon discovered as the next 'It Girl' and causes quite the pop culture sensation. However, Mink cannot reveal her true identity to anyone because using software from the future is a serious crime--and being caught could result in her 'deletion.'

1-3) Saikkyou Lover - Strongest Worst Lover: Saji's roommate and coworker Ryousuke is really his type. But Ryousuke doesn't seem to be interested in him...

4) Saikkyou Lover 3.5 - Never a Dull Night

5) Hot Spot - The Inn Where Love Begins- Five years ago Hinata's parents died and his friend Yumiji Munehisa, nine years his senior, helped him out financially. About a year ago they started having sex, but what does Munehisa really feel for Hinata?

6) The Beginning of Love (Koi no Hajimaru): Suyama has always protected his friend Tomoi from perverts, but Kouki may be the biggest pervert of them all, and his condition for staying away from Tomoi is ...Suyama!

Itou Keita is a boy with no remarkable talents beyond his better-than-average luck, until one day he receives an acceptance letter out of the blue inviting him to attend the prestigious all-boys academy, Bell Liberty School (BL School). Why has he been admitted to this amazing academy, and how can he possibly live up to the expectations of whoever let him in? As he settles in to his new life, Keita is sure to find companionship in his rather eclectic cast of schoolmates.

1) 1K Apartment's Love
Kouno is the new exchange student and he hit it off immediately with Natsu his easy going classmate.

2) 1K Apartment's Roommates
Naomichi wants to leave his home town and get a taste of the big city life, and when his childhood friend Kei decides to go to university in the city, they decide to live together to cut cost.

3) The Ghost That Resides in Your Heart ~ first part
Kouno has been behaving weirdly and Natsu doesn't get the sudden change in attitude, and then he finds a letter that is address to Kouno...

4) The Ghost That Resides in Your Heart ~ last part
After the very public brawl in school between Kouno and Natsu, things remain as tense.

5) My Motive, Heart and Body
Naomichi is struggling to bring his relationship with Kei to the next level.

6) In This Little Apartment
Springtime is the season for reflection... Kei has just finished his second year of university, and the high schoolers, Kouno and Natsu, have just graduated, and Naomichi has just quit his third job since moving to the city.

7) No Matter Where We Are
It has been two years, Kei and Naomichi finally decides to move out of their 1K apartment into a 2DK apartment down the road. Kouno and Natsu offer to help them move.

A collection of one-shots:

Don't Say "I Love You"
Shizuka had just lost her only parent, her mother, due to a car accident. A young man, Yuuichi, rushed to the hospital and declared that he's Shizuka's step-father. That was their first encounter. The two started to live together, yet Shizuka realized that she was seeing Yuuichi as a man instead of as a father. And Yuuichi was too... in order to prevent the forbidden relationship, Yuuichi decides to leave home, and...!?

Snow Falling
Honjou Nao is known as a player and on Valentine's Day he kisses every girl who gives him chocolates. Furuya Wakaba wants to date someone she loves and loves her back not just some guy who wants to date casually. Furuya hates Honjou Nao because of his playful personality. On Valentines Day, she goes to the infirmary only to find a half naked Honjou Nao on the bed!

Let Me Feel You
Yuina has been going out with her boyfriend Yuuya for half a year already. One day Yuuya calls Yuina sexually frigid. Yuina becomes depressed and when a strange man approaches her, she goes along with him. Just before Yuina was about to do something she would regret, Hiroto comes and kicks the strange man in the head. Yuina becomes attracted to Hiroto's presence follows him to a club he's dancing in. They meet Yuuya along the way to the train station and there, Hiroto gives Yuina the kiss of her life!

Lustful Lover
Kazumi whose father is rich wakes up kidnapped. She's been cuffed and chained to a room. The kidnapper says that he will let her go only if she says "Please Hold Me" to him. Every night the kidnapper brings home a woman and makes love to her right in front of the door of the room where Kazumi is chained in. Kazumi becomes sexually aware of him and soon succumbs to him.

Omake (Love Prisoner and author's comments)
A six pages short sequel to Lustful Lover, what happens to Kazumi when she meets her kidnapper again.

Demons, they are born from stagnation, fear, hatred, and sorrow. Attracted by negative emotions of humans. In this world there are people who were able to fight against them, they possess the skill of a secret art. Transforming their soul into a blade, they are called Onmyouji.

From Tokyopop:
In the year 2068, the Brain Computer, created by humans to be the core of a machine-driven Earth, itself creates Leave, an android that far surpasses the abilities of humans. With mankind now an unnecessary aspect of the Earth ecosystem, Leave, along with her 'father' Fenrir (the human scientist who raised her), destroys humanity and in its stead creates the four 'Mothers' who in turn create an android race modeled on Leave known as the Selenoid.
They divide the world into four parts, each ruled by a Mother, and then further sub-divide the android population into hierarchical levels with the strong at the top and the weak at the bottom. A virtually perfect society ...
And it would have remained perfect if some of the surviving humans hadn't formed a revolutionary group together with some of the lower caste Selenoid with the explicit purpose of overthrowing Leave and delivering the Earth back into the hands of the humans.

From ShoujoMagic:

When her mother decides to remarry, Honoka inadvertently becomes "family" with the rising star she's infatuated with, Masaki Izumi! Honoka can hardly wait to become like the families in Masaki's TV dramas... but the guy himself is a far cry from the roles he plays. In real life, Masaki is seductive, rash, and forceful, and he's decided Honoka will become his woman...!? *gasp* But that would be... SCANDALOUS!

Manga adaptation of BlazBlue game.

They arrive in silence and darkness. They descend from the skies. They have a hunger for human flesh. They are everywhere. They are parasites, alien creatures who must invade - and take control of - a human host to survive. And once they have infected their victims, they can assume any deadly form they choose: monsters with giant teeth, winged demons, creatures with blades for hands. But most have chosen to conceal their lethal purpose behind ordinary human faces. So no one knows their secret - except an ordinary high school student. Shinichi is battling for control of his own body against an alien parasite, but can he find a way to warn humanity of the horrors to come?

Won the 1993 Kodansha Manga Award for General Manga and the Seiun Award for Best Comic of the Year in 1996.

Romantic oneshot collection

1) Kimi no Himitsu (Your Secret)
2) King and Me
3) X-Mas for You
4) Under those Heavens

(Source: Simple Scans)

Escaflowne, the God Protector of Fanelia, has been stolen and the country is left in ruins. Desperate to find the key to Escaflowne's seal and recover the legendary guymelef, Van Fanel, Prince of Fanelia is sent to Earth, only to find it in the possession of a high school girl, Hitomi Hoshino. With enemies chasing them at every turn, can the two reclaim what was lost? Named Messiah Knight when serializing in Monthly Asuka Fantasy DX, but renamed to HITOMI when tankoubon were published.

Nemu is back home. What's gonna happen with Junichi's life after this reunion with his sister? "Da Capo" in Italian means "From the beginning"... then will we see the end to this romance?

A girl being anxious of her relationship with her boyfriend since there is still no progress.

Takatou Iori, a high school ninensei, while on his way to school to confess his love to classmate Kusanagi Mikuru by means of a love letter, gets ran over by a truck to save a cute elementary schoolgirl.

*manga is based on a true story and the true story was done in 2ch*

It's about an Otaku guy who fell in love with this beautiful lady and tries his best to get that girl with a lot of help from 2channelers (people who goes/posts on 2ch).

This story has become very famous in Japan and I believe they now have novels, several series of Manga (both Shoujo and Shounen), movie, drama, play, etc, etc.