Daichi Kakeru is a peaceful high school boy who likes to collect cans. One day, when drinking a melon soda, a girl suddenly kisses him. The steel can transformed into a girl who wants people to appreciate cans more. Kakeru names the aluminum-can-hating girl Melon and decides to take care of her, but every time he drinks from her melon soda can, which is necessary for her survival, they kiss.

As he learns to cohabitate with her, their fun-filled days are interrupted by a government agency responsible for the economy, who not only knows their secret, but introduces them to the Akikan (Empty Can) Elect, where steel and aluminum cans fight in order to decide who gets manufactured for the market. While Melon is eager to prove the supremacy of steel cans, her Owner, Kakeru, is strongly against participating, due to an incident in the past involving his rich childhood friend, Najimi, and guns that made him hate violence. However, there are other aluminum cans who are just as ready to battle as Melon and when those two natural enemies meet, it is kill or be killed . . .

The minister's aide has an idea, a project in mind to help correct the declining birth rates in Japan. This plan, so to speak, has it where Japan's youth are encouraged to form relationships. The catch is that at the chosen high school for the initial test of this is being held, the project is mandatory - the students must become intimate couples with the other students or they will die.

In order to protect the girl Yuuhi Katagiri, a new transfer student, ...from danger, Junichi Nagase is forced to kiss her. Not understanding what happend, she screams at him, not knowing that her father has arranged for her to marry him

A collection of oneshots (some are two chapters):

1-2) The Door to the Closed Mind
Back in college Usui ignored Masuoka, the cute kouhai who had the not-so-secret crush on him, but now he's hired him as his assistant. Dealing with the shy Masouka isn't too hard, however the pheromones he emits have the perverts crawling out of the woodwork! Is Usui immune, or just biding his time?

3) The Ugly Duckling and the Prince
In high school reserved Tayama paled in comparison to princely Tachibana, even the girl Tayama liked did nothing but talk about him. Now that they're in the same college Tachibana has latched onto Tayama as his new best friend. Fighting off the Prince's fan girls is proving to be troublesome, but more worrying are Tayama's own feelings...

4) The Prince's Sweetheart
Tachibana and Tayama's story picks up viewed from Tachibana's rather unique perspective.

5) It's Lonely When You're Cold
Muraoka Takeo has been admiring the beautiful but reserved store clerk for months, but when Takeo finally gets up the nerve to talk to him he finds himself being kissed! When the object of his admiration proves to be more different than Takeo could ever imagine, is there any hope?

Story 5 has some crossover with a minor character from Boku no Shiru Anata no Hanashi.

From Attractive Fascinante:

Kazushi, an elite, met Harutomo, a cleaner whose dream is to become a chef. Because Harutomo has always been treasuring the change in seasons, after falling in love with him, Kazushi started to treasure the changes too. He found his world started to fill with colors and he finally understood the happiness of “giving”. Let Fujitani sensei take you through the seasons with this very lovely story on how this couple work hard towards their future together and how they manage through their long-distance relationship when Kazushi was posted overseas.

From Fantasyshrine:

In the all-boys school, Blooming Love Academy, there's a super-elite group where gorgeous guys flock in unrestrained abundance, the GLG (Gorgeous-Looking Guys). Even the people off-campus have heard of them. One fateful day during the preparation of the school's Christmas party, Echizen Makoto encounters the tall, handsome Fujimiya. Will the ordinary-looking Makoto ever have a chance to make his wish come true!?

Yukito Kunisaki is a man traveling Japan in search of the "girl in the sky". Eventually he makes his way to a sleepy seaside town, where he meets a strange girl named Misuzu Kamio who has dreams of flying in the sky. During his stay in the town, Yukito meets other unique people and begins to learn more about Misuzu and the town she lives in.

The story is of Kitano Seiichirou, a very kind and pure-hearted young man, with a horrifying, monstrous face. People being what they are, they think he's a terrifying delinquent, and there are plenty of chance misunderstandings (coupled with Kitano's convenient inability to understand what's happening around him) that propel him into the position of "school guardian", a.k.a. head thug on campus.

1) Ane☆Mone Seikaten
A cute and funny little story about a baby-faced high school girl Mone Saeki who inadvertently falls in love with a grade schooler Ren Anesaki!

2) Everyday Treasures

3) Batsu-san

4) Day Dream Believer

From the creator that brought you Ichigo 100% and Hatsukoi Limited comes her latest series: Ane Doki. The story centers on a 13 year old boy who is pushed around by a mysterious 17 year old girl. First she forces him to let her move in with him, then she takes his bed and that's only the beginning. What's in store for this innocent 13 year old boy whose life is being throw upside down by this girl!? From Baka-Updates: Ah, the dream of 13! Kouta is our normal everyday boy, living with his fun-loving workaholic father. Lusting after the school idol in his class, playing games with his friend... there's nothing especially noticeable about him. But one day his father has to transfer to Sapporo and then appears a girl who volunteers to be Kouta's live in caretaker. And what a girl! Everything about her is mysterious: her mysterious incredibly showy body, her mysterious interest in our boy, and her mysterious need to sleep in the same room... Doki, doki...

From Manga Art:
Mei is a 2nd year junior high student from the Wind Orchestra Club. She lives with her older brother, Natsu, a musical genius. Actually, they don't have any sibling blood relation. When Mel, a pretty girl also gets to live with them, Mei with her complicated feelings...

From HotCakes:

The man super-uptight office worker Ooizumi Sonoko got drunk and spent the night with shows up at her work and turns out to be the section chief?! A hilarious romantic comedy about pure love wrapped in indecency.

This series was published as part of vol 2 - 5 in Oboretai and the first 3 chapters(done by ShoujoMagic) can be found in vol 2.

An elite businessman exerting himself at a publishing company is demoted to the manga editorial department, which is out of his field of experience. Moreover, his first responsibility is a comic artist that no one can handle...

Collection of early oneshots:

1. Make me throb

2. It has to be you
From HotCakes:
Hisami, female high school student with a history of not having a boyfriend. She develops a crush on Haru-kun at a school event, but due to a misunderstanding ends up dating his friend, Narushi. What’s more, Haru-kun begins dating Hisami’s friend, Izumi… One day, Izumi suggests that they all switch lovers for day. Even if it’s only for one day, Hisami gets to date Haru-kun! A very excited Hisami gets brought to a love hotel by Haru-kun!

3. Turn me on

4. Lost child of the forest

Wagashino Azuki, training secretly deep in the mountains. She's too clumsy and air-headed to be a ninja, but somehow Azuki ends up as the bodyguard of the heir to a financial empire! 3 mysterious girls also appear. How is this mission going to turn out!?

Ninja Action Manga & High School Love Comedy, all in one!

From Midnight Scans:

Fujitani-kun, Sao's classmate, is a prince, but he uses girls and then throws them away: he's truly "an enemy of women". Even so, that same Fujitani forced Sao to be his girlfriend! Sao just couldn't disobey a sweet kiss - even from a forceful beast like him...?

Collection of short stories:

• Amai Yajuu (Kemono)
• Amai Yajuu (Kemono) Bangaihen
• Karada no Onedan
• Koakuma Kouza
• Dekiai Position

Haruru Shirosaki, a girl whose father is a director, is always busy. Her best friend is Mami. She visits a girl's school across the road from a boy's school. One day she sees a boy in the window of the boy's school. When she comes home from school the boy she had seen earlier is there saying he will become her butler? Is this just a dream?

Continuation of SHINONOME Taro's Amagami Adaptation with the second heroine, Kaoru

Ikko's finally home after a long trip at a training temple and everybody is glad to see him. But this sequel has a big twist. Since Jotoku is gone, Sakura is in charge now, and Kazuki has moved in with Ikko and the rest of the girls at the Saienji Temple! Will Ikko ever survive this kind of life? Follow the unnormal life as a monk in this Ecchi, harem comedy manga sequel of the popular Seinen manga from Japan, Amaenaideyo! It'll make you nosebleed and laugh at the same time.

1) 08:00 AM I like you
Miwa Narumi is 15 years old, and becomes a long-awaited high school student this spring. Now she is in love?! His name is Sugiura, and he likes Doraemon and loquat-steamed-bread. She won't give up this love!!

2) Happy 3 seconds

3) Imprisoned Summerdays

4) Broken pieces of a dream