A collection of one-shots publlished between 2007-2008 published on various magazines and the Nisekoi pilot chapter:

1. Island (2007, Akamaru Jump)
For the last 400 years, an island has been completely surrounded by walls, isolated from the rest of the world. Aira and Marue have always dreamed of voyaging outside the walls, where lies a devastating truth unbeknownst to them.

2. Koi no Kami-sama (2007, Weekly Shonen Jump)
Tsuchibe Taichi, a boy who loves shoujo manga and believes in love above all else, ironically has the worst luck in love. His latest attempt in love is at the new transfer student, but a strange otherworldly force seems to be repelling him from her.

3. Williams (2007, Weekly Shonen Jump)
William is a young boy who idolizes Aradoff, a character from a popular novel which told Aradoff's adventures, and always dreams of having a grand adventure on his own. William's meeting with the novel author finally puts him on an adventure to prove that the novel is not merely a fiction.

4. Personant (2008, Jump SQ)
In the year 3333, everyone wears personants, technologically advanced masks, to maintain equality and peace, because they eliminate the "differences" in people that lead to discrimination and conflict. It has been 100 years since the government implemented this "personant system," so society has adapted. Yet one man exists as the only one in the world without a personant: the wanted criminal Damore!

5. Apple (2008, Young Magazine)
The main character (the blond ponytailed guy - yeah, guy) is Aramiya Satoshi, whose main ability is shape-shifting into any animal... though at some point he has plants growing out of him, so he is able shape-shift into any living thing. I'm not sure if he was naturally born that way or if he was a biological experiment. Anyway, he's a pretty easy-going guy who just wants to be left alone to enjoy his solitary life in the middle of a junkyard, but apparently some army or another is always after him because of his ability. Luckily, he is able to fight off entire tank battalions before breakfast.

6. Nisekoi (pilot chapter - 2011, Jump Next!)

Lelouch, Suzaku and other young warriors battle in the late Tokugawa Shogunate era, where the power of Geass forced Japan to falsely open up their ports!!

The curtain rises on an alternate world tale of Code Geass!!

(Taken from Bandai Entertainment)

Collection of short stories:

1. Hajimete, Kudasai.

2. Idol-sama no Okiniiri
Niina is a 3rd rate performer in a school for idols. One day, with all her luck, she manages to hurt the arm of the top of the top idols - Takashiro Asuka. Will her life come to an abrubt end after this mistake, or will it...?
- From Shoujo Sense

3. Ano Natsu Kara Zutto.
"While I went to a certain course, the summer of my third year, by chance I saw the baseball field. And while watching you try to hit the ball, you caught my heart."
"One year later, I've found you again..."

4. Gouriki Ikka no Owarinaki Tousou

5. Kimi no Tonari de Natsumatsuri

6. Kimi no Kokoro ni Kaoridzuke

This tennis comedy centers around the members of a female middle school soft tennis team and the twists and turns that their lives take as they aim for the national tournament!

This is the story of a terrible kidnapping and gang rape crime committed against a 17-old-girl, by 17-year-old boys. Why did such a thing happen? Why was no one able to prevent it?

A side story of Mahouka Koukou no Rettousei that focuses on Shiba Tatsuya's younger sister's viewpoint and experiences of the events taking place in the main story.

Based on the Little Witch Academia anime by Trigger.

A world full of secrets, where one person keeps it form another. A young girl with a dark past transforms herself into a person she is nothing like before. Caught between affairs and scandals, her life is filled with one too many secrets to keep.

In 19th Century England, during the Victorian Era, there is the Kingdom of Tarnina Ulaniborg. The Kingdom has a Royal Academy where Royalty and Commoners can study Astronomical Research in hopes of becoming a Royal Astronomer. Astel Paschalis attends the Royal Academy as a scholarship student with a certain hidden motive.

Natsumi just lost her younger sister, Haru to chemotherapy. As her sister's coffin finally closes for the last time she whispers "wait for me until I join you", but Haru's finace, Tougo has other plans which might mend both their hearts.

Day laborer Kazuya Shibuya is feeling frustrated with his boring, day-to-day life when a mysterious game called “Blackout” is delivered to him out of the blue. Not knowing what is going on, he starts to play the game, only to find out that what is inside surpasses anything he could have ever imagined. No one has ever managed to beat this game shrouded in mystery. Is “death” awaiting him at the end...? The battle-filled fantasy novel popular on website Everystar is now a manga!

Dr. Wei struggles after finding out that the girl she hooked up with was only sixteen years old, but somehow it's not as easy to avoid the girl as she had thought.

Note: Keep in mind that the age of consent in China, where the manhua is set, is 14 years.

A homeroom teacher, Mr. Chiharu Ayatsuji, the relationship between us two is absolutely a secret at school! Yet, the teacher tends to get out of hand at school. A devil and a pervert!

He may be scum but it sort of makes my heart beat. I wonder if thats a little bad.

Jumping from the third floor classroom, biting and scratching others - Kii is just like a wild animal. Can Rihito, the new transfer student, tame her?

Eighth Research is a large biotech company based on advanced research and development of DNA manipulation. Naoya Graphico is on the security team for the company run by his uncle. Naoya has been acknowledged for his high combat skills and is sent on top secret missions regarding Eighth Research interests.

His most recent task has Naoya infiltrating a rival company where a mysterious girl named Celcia has been kidnapped. Naoya's passion for protecting the weak always helps him accomplish missions; he just needs to make sure his libido doesn't get in the way.

From Hoshikuzuu Scans:

As the only son of a trading firm, Asakura Michitada enters the dormitory at an all-boys school. There, he is put in the same room as his childhood friend and only person he could trust, Tachibana. But for Asakura, their reunion is something of a more complicated nature.

Note: The magazine and tankobon have different versions of the epilogue.

Tomioka Yuji is a 32-year-old night-shift guard for a mall. He works completely alone, so he often slacks off, exercising and hanging out on the roof. In some ways, the job is perfect for him, as he's always been terrible with people. However, he can't help feeling incredibly lonely and wishing he had friends.
One night, he makes a wish for friendship on a falling star. Shortly after, he finds a strange note left at the door of the mall. It says, "within a year, you'll go mad and die." After this, his solitary life begins to change--some ways for the better, and some for the worse. At work, he notices an ominous silhouette in a nearby apartment building, watching him neglect his job.
Who is the mysterious figure? Who sent him the creepy note, and why?

In the Alice in Junk Box series:

V.1 - Alice in Junk Box

V.2 - Dia

English Titles
Vol. 1: Alice in the Country of Hearts: Junk Box
Vol. 2: Alice in the Country of Diamonds: Junk Box Diamonds

Kotori was a normal girl who had always been tempted down the wrong path. As she lived her normal, boring, everyday life, trying so hard to follow her dreams, a bold chubby straw-bale cat walked into her life. Will this cat be a god of luck for her? Or will it become a god of misfortune, and lead Kotori down the wrong path...? A fluffy fat cat opens up the door on this story of a woman's struggles through everyday life!

From Aerandria Scans:

Who am I? I'm Gi-ryum, a tall, handsome bachelor, and the coolest guy in the country who even makes O△ sama (Reference to "Yon-sama": Bae, Yon-Jun from Winter Sonata) cry at my beauty. One day, I received classified info of the princess enrolling in a regular high school. Huhuhu. Can I snag the princess with my irresistible beauty?! I will be the king's new son-in-law!