Shy Ichitaka has a crush on his high school classmate Iori, but ever since she posed for semi-provocative swimsuit photos in a magazine, she's had a lot of sleazy guys hitting on her. Ichitaka's afraid to make his feelings known for fear Iori will think he's just another creep.

From Infinity Studios:
With the invention of the automatic vacuum robot and the time-set video recording devices, what is the next breakthrough in home appliances? Why that would be cute female mini-robots that kill bugs of course! In Ichigeki Sacchu!! HoiHoi-san, a corporation in this alternate universe has created such a pest control agent and it’s the hottest selling item ever. Journey along with one enthusiast of these robots called HoiHoi-san’s and experience the joys & suffering of being a dutiful owner of these new adorable, bug killing, wallet busting machines.

Kobayakawa Sena (Eyeshield 21) meets Monkey D Luffy (One Piece), Naruto, Son Goku (Dragonball), Bobobo (Bobobo-bo Bo-bobo), and Toujo Aya (Ichigo 100%) in this short adventure that serves as an advertisement for the game with the same name.

In the story, a girl called Mai appears before a boy who happens to hate Christmas. As it turns out he was born on December 24 and thus was named Santa, causing him to hate the holiday. Moreover, as a child, he never had any festive occasions, such as birthday parties. With the power of Christmas, Mai is given the mission to improve his luck and change his views for the better.

A slacker high-school student gets pulled into a world where he is named the "Dungeon Master" and can control everything that happens. He can even make it rain money! It's in this world that he meets a young, traumatized girl who's memories have been erased. With her help, he creates a new game world to escape his boring school life. Everything seems to be going fine until they encounter a lethal bug in the game's programming.

Satoyama Katsuki is a carefree 15 year-old high school kid, and a pretty lazy one at that. However, he secretly has a crush on a girl who happens to share his name: Mizutani Katsuki. Upon finding out that Mizutani's father used to be a pro-boxer, and she herself infatuated with the sport, he reluctantly joins a boxing gym in order to impress Mizutani. Satoyama is quick to find out he may have the blood of a genius boxer running through his veins...

Tsuna comes home one day, only to be greeted by a little baby mafioso who apparently is his new home tutor. His job is to guide Tsuna into his role as the 10th Boss of the Vongola mafia family. With the help of all his new friends and an array of special items such as the "Dying Will Bullet", he might just be able to do it.

From Seven Seas:

Being a girl is harder than it looks...
For Hazumu, this couldn't be more true, because just the other day, she...was a he.

Shunned by the girl of his dreams, Hazumu loses himself in the mountains and is promptly squashed by an oncoming space ship. The alien inside, feeling guilty, rebuilds Hazumu's body...but as the wrong gender!

Now Hazumu must learn how to be the girl his parents always wanted while dealing with the trials and tribulations of being caught in a love triangle between two girls--his childhood friend, Tomari, and Yasuna, the girl who rejected him but is now strangely attracted to him/her!

This is a 4-koma featuring the high-school kid Kei, and his childhood friend Rin, who loves paper airplanes. Kei seems to like Rin, though he's somewhat oblivious to his own feelings. With the addition of Rin's classmate Ryuusuke, who shares her love of paper airplanes, and another new character, Aoi, Kei's emotions become more and more complicated. Apparently feelings, like paper airplanes, don't fly straight.

King Panda is dead and the Upper Yard of the Zoo is left without a ruler. The animals of the East jockey for domination while the peaceful animals of the West prepare for the oncoming war. It's the cutest and funniest animal civil war you'll ever see!

From Yen Press

Soon after his birth as a Nobody, Roxas joins the mysterious Organization XIII, knowing nothing of his identity. With the help of Axel, another member of the Organization, and the mysterious No. 14, who is also missing her memories, Roxas slowly begins to learn what it takes to be a part of Organization XIII…and what it means to have a heart.

From Broccoli:

Ren just wants to be one of the cool kids, but it doesn’t help that secretly he’s just a nerdy monster fanatic. That is, until a young girl named Kokon shows up. She claims to be a fox that he had helped years ago and now she wants to return the favor.

From Angelic Powder:
The princess of love, Koiko is given the power to zap people to admire her but the power will leave her when she reaches adulthood and marries. There was one boy she had never zapped before, Shirou. But he turns out to be someone different when he doesn't show up as he promised. Koiko being heartbroken runs to find him, only to find new things she never knew about him. It turns out he is one of the legendary shadow ninjas.

Maeda Hachibei is unlike most guys, who lust after gorgeous girls. This pervert lusts after their discrete parts, instead. When he moves to Tokyo to attend school, he finds himself living in a dormitory with five girls, each of which possesses one of the ideal physical features he desires: gorgeous blue eyes, bullet-train breasts, a deep dulcet voice, straight “anime-esque” legs, or a waistline shaped like fine Japanese pottery. How can he manage to keep his wits when surrounded by these women? If you think this sounds like a Love Hina clone, you wouldn’t be entirely incorrect… but Hachibei isn’t Keitaro.

Includes a oneshot in Vol.12: "The Boy Who Heard Too Much".

Touma Outa wakes up from a bad dream one morning and when he sees his reflection, there are horns growing out of his head. Suddenly, he is pounded in the head by a cute, hammer-carrying knight from the demon world. The horns shrink, but he is not off the hook yet, for the little knight, Pukateriosu, is there to prevent him from transforming completely into the Demon King whose soul has entered Outa's body. The PukaPuka hammer can return him to normal but it takes time to charge. In the meanwhile, Outa must try not to think worldly thoughts or be kissed, but it's easier said than done with his crush Shirayuki Himeka, the little demon Garbelion, and even Pukateriosu around...

From Endless Abyss:

The Law of Ueki plus takes place 2 years after the end of The Law of Ueki, everyone has gone there own way and life has become peaceful again until one day Ueki saves a dog only to stumble upon a plot to steal the memories from all the people of earth. Ueki as the only person who did not have his memories taken, must go into a new world and retrieve the stolen memories where new allies, foes and powers await.

A group of powerful beings called tenkaijin are holding a special tournament. The rules of the game--each tenkaijin selects a kid in junior high to be his champion and grants him a special power. The kids take each other on in heated battle, but if they hurt innocent bystanders, then they lose one of their natural-given abilities. Every time they win a battle, they gain a new ability. The ultimate winner of the tournament is granted any power of his choosing, and the tenkajin who he represents succeeds in becoming the next god. Kosuke Ueki has been chosen to fight in the tournament. His special power--the ability to turn garbage into trees.

A school mahjong story about the everyday life of middle schooler Asakura Yoshiaki, his classmates, teacher, underclassmen, and the other members of the mahjong club.

Based on DS Dating Sim "Love Plus"