There are six main characters, 3 men and 3 women. The three women are sisters.

There were three young men. They had a plan to build a company and develop it to be the best. Luck was on their side and everything was going well until one of them decided to drop out and create a new company. He did so because he wanted to build a computer company, but the company they built was going to another direction. His business was going well at first, but it eventually went to bankrupt. He visited his two ex-business partners and asked for help, but they refused to help him. He committed suicide, leaving his son, Sin Hoo Kang, without any resources.

The second of the three original business partners had 3 daughters, but he was killed in a car accident.

The last remaining business man who is now a chairman of the largest company in Korea adopted the three daughters and raised them like his own.

More than 10 years passed, Sin Hoo Kang was fully grown and had graduated from top-class university in America. He was ready to come back to Korea and execute his plan for revenge.

From HMR:

The main character is extremely obsessed with the actor Ah-Min. Her uncle bumbles his way into signing a contract that requires her brother to live at Lee Sun-Ah's house for three years. She goes in place of her brother, only to discover that her dream has come true--or is it nightmare?

Don't be confused with Hwang Mi Ri's "Love Fantasy."
as both Titles have "Love Fantasy"

A wedding engagement from love between a girl and a guy since they were children (6 years-old and 4 years-old). About ten years later, will their love still be the same? Will they have a happy ending?

From Amaranth Scanlations:
A hot and handsome young man that can capture the heart of any woman caught the innocent love of a fellow worker.
On the other hand, a mysterious woman that claims she would never fall for a man comforts her best friend.
What will happen when these two lives clash into one another at a fateful meeting? Will this mysterious woman change her ways?

From Alice Dreams:

Chae Woon is the manager of ‘Haeoreum.’ She gets retaliated when she receives Bora’s outstretched hands in front of Eun Gyul, who is in bad terms with her since they were little. “If the thing you hate most is my forced kiss, what I hate most are people that step out during my performance.” Is this jealousy or passion for music?

[From Twinkle-Dust]:

Jiyoo is a beautiful girl, who has yet to have her first kiss. Handsome guys, who Jiyoo only saw as friends, are now competing for the fair maiden’s love. Who will win over Jiyoo’s chaste heart?

From Tarot Cafe:
Suyun's parents died when she was little. She is raised by a too-soft "Bro" and a money crazy sister that sends her to part time jobs by screaming each and every day. The only money she is allowed to have and spend is the money she earns; part of the money she earns, that is. So she works 24 hours a day- during morning she works as a student while during night she works as a par-time job girl. But she doesn't think that is enough... That is why she secretly works as "Guardian Angel", one who defeats those who have bullied the weaker. For a price, that is. What will happen when Suyun meets a real angel- one who has been banished from paradise?

The story takes place in April of 1980, in Waco, Texas. It follows a rambunctious young girl named Debbie.

Debbie's mother passed away before she was old enough to remember her, and two years ago her father remarried to a woman with a son named Kianu and a daughter. Her mother treats her poorly, her father ignores her, her brother harasses her, and her sister looks up to her. The only person she's able to talk to is Father Tran, a priest who had been friends with her father in the past and in love with her mother.

A girl has to transfer to a new school on a scholarship. She can't refuse because the person who offers the scholarship is her mother's boss. On her first day of a new school, she discovers things are not what they seem.

"Snow White" greets her with a threat in front of the school. She encounters the rude "King" who also forces her to leave like "Snow White." Later, she learns she is "prophesized" to be the "Queen," future wife of the "King," by the "Priest."

What is with this superstitious school?!

When Jin Shihyun is told by her father to pick up a guest from America at the airport, she rips down a poster of her enemy,(who is also her cousin) Seo Yu Jin's poster, she argues with a mysterious boy. To make things worse, the boy steps and break Shi-Hyun's new and expensive cell phone and runs away!Shi-Hyun chases the boy only to find out that he is the guest from America....

“I am Strong”

I am woman who is tough to anybody who's not my types. Whether he be ugly or decent looking it doesn’t matters. My weakness is beauuuutiful guy! However I haven’t found anybody yet… “Wait for me beautiful guy, I find you!

When a fancy house is built, the rumors fly. But what is the truth behind the devil and the angel, or the mysterious boy?

Roy is an orphan, whose only remaining family is her older brother. She was 6 the last time they had seen each other, as he left to clear their dead father's name and honor as a policeman. 12 years have passed and she's now a small fry in a rough part of New York, but still looking for her missing brother...

From Loyal Kiss:

Bishie boy that got transferred and visited Ohn Noori, Lee Sun-Uh. I was surely suprised that my father, who I never met myself, had sent him, but to say he's one of my fiancé candidates!

AND WHAT?
My father is the king of a secret kingdom?
Oh my~ ♥
Then I... am a princess?

With two fiancé candidates, I ended up with a happy headache...
Ahhhh~ ♥
Who should I pick to make the right choice?

Princess of romance, Hwi-Kyung. The handsome, wolf-like, Three Musketeer guys who run to Hwi-Kyung wherever she is.
They make a secret promise without Hwi-Kyung knowing. If one of them starts to love Hwi-Kyung, their friendship will shatter.
A no-love oath.
The prince of confidence, Yoon Suh-Rin's, charm!
Te-Ri, who became a two-timer because he loved Hwi-Kyung!
And the one who hid his love for Hwi-Kyung's happiness, the charismatic Jo Hwan-Sung's sad love story!

General Temedes devoted his absolute loyalty to his country, which was put above everything else in his life. But as he found himself falling in love with Matia, the girl whom was rumored to become a great danger to his country, General Temedes was forced to make a choice – to kill or not to kill the girl he so dearly loved for the first time in his life, all but for the sake of his beloved country and people…

Gyul, the outcast of the entire school, who used to be unable to get away from dangers without Ri Rang's help becomes strong with a sword obtained at an antique shop?!

Hot-tempered, unruly fighter Woo Ri and my best friend Gyul suddenly seems different? My heart beats when I see Gyul! Without knowing my eyes turned to look at his lips, and I could feel myself blushing. This is not a disease, is it?

The main character is Dan-bi, the daughter of a Yakuza boss. One night, the father she loves more than anything is killed before her eyes. The killers blind her, making her father's death the last thing she sees with her own eyes. Her mother sends the wounded Dan-bi to Korea, where she has an eye transplant. From then on, Dan- bi is to be a good girl, live with her aunt, and stay out of trouble.

Dan-bi does her best, maneuvering between her aunt’s boy-crazy daughter and son, the Jjang. Things get complicated when her aunt's adopted son turns out to be connected to the mysterious boy who looked in on Dan-bi when she was in the hospital. This boy always looks so sad, and once he even asked for permission to kiss Dan-bi's eyes...

From Loyal Kiss:
Every time you sent me one of your fake smiles, my fists clench automatically.
If I had a gun in my pocket, I would have shot you.

Tied by a secret that keeps him from loving the one he loves, he is Choi EunJo.
The handsome and much beloved idol, he is Im Sol - no girl can resist his killer smile.

But for Narae, all she feels is disgust.
Bam!!
Where will Narae's Love Bullet fly?

From HMR Scans:

Eun Band Wool, a girl who would do anything to earn money meets Choi Tae Won an arrogant, handsome school president. Why is Eun Band Wool desperate for earning money?