A boy and a girl set out to determine the lifespan of morning.

From Sura's Place:

The 12 animals of Zodiac are given powers to rule the time. However, the dog commits suicide, thus removing himself from his role. The rat and the cow attempt to find the 13th animal, the cat, to replace the dog.

However...

To the usual students in school, Haruto Usami is the epitome of heartthrob material. Quiet but athletic, has pale hair and endearing eyes, it's no wonder girls can't stop fawning over his rabbit-like charm.

For Hibiki Aizawa though, the pure and innocent-looking herbivore hides a cold-hearted self-righteous personality that others have yet to see.

One day, Hibiki receives a message that gets her concern. Before she realizes it, she's at Haruto's front door! As much as she wants to hate the sleazebag playboy, Hibiki eventually realizes she still can't leave her childhood friend all alone. Rabbits are prone to die from loneliness after all.

From Liquid Passion:

When business leads Haruna to Nakagawa's family-owned brewery, it's love at first sight for Haruna. Too bad that Nakagawa and his crotchety grandpa can only say "not interested" to his offers. Will Haruna ever secure the distribution rights to the best sake in town? And more importantly, will he manage to win over the cantankerous brewer's grandson?

Aoi Hana is a normal female high-school student, though she is extremely clumsy and thus tagged as good-for-nothing. But Hana wants to change herself and decides that finding a part time job would be taking the first step in that direction. Being an animal lover, Hana's job of dreams is encountering animals day-to-day and taking care of them - the zoo sounds like the perfect place for that. So when she happens to see a job offer from a local animal park it's settled she'll attend a job interview.
When Hana arrives at the zoo everything seems just fine. The "Oumagadoki Zoo" might be going south but altogether it's your regular animal park. Just a very normal zoo, one might think. But that is only until Hana gets to meet the zoo director...

The neighborhood crazy scientist doesn't take well when he's critizised. When he blows up his laboratory once again, two sceptic policemen are send to investigate.

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From Transient Mirage:

The lady Yurika has fallen in love at first sight with a 'yankee', Seiki!! Even though it's said that they live in different worlds, what actions did Yurika, who won't give up, take? When Yurika's bodyguard and fiancé barge in, too, the future of her romance is thrown into chaos. But the love between a lady and a 'yankee' is intense, passionate, and a little sensational! Love is a one-on-one match!

Koe de Oshigoto! is a story about Aoyagi Kanna, a 16 year-old girl who was asked to become an erotic game voice actress on her 16th birthday by her 28 year-old sister at her ero-ge company. Can she do the job properly while she's still innocent and inexperienced?

From Fujoshi Bitches:

After drinking at home with Murakami, his best friend from university, Minowa woke up to find Murakami riding him. Tempted by the erotic expression on Murakami’s face, Minowa unconsciously extended his hand…

“You don’t have to do anything. Just be good and lie down.”

Put in this appealing situation, his best friend who’s cuter than any woman, unexpectedly forbids touching! And above all, he’s the only one who knows the real Murakami who’s always the cool genius in University. Isn’t it impossible not to have any feelings for you after being in that sort of situation?!

“Even I want to make you feel good!”

However, there’s a secret as to why Murakami stubbornly rejects Minowa’s touch; one that he doesn’t want Minowa to find out no matter what.

Arata who is in love with his childhood friend Miyamoto, always eavesdrops on the confessions his friend receives from girls but Miyamoto constantly rejects the confessions saying he already has someone he likes. One day Miyamoto catches Arata eavesdropping and asks, "Want to know who?"

Staffed by murderous maids and situated on a war-ravaged island, the Voynich Hotel is far from your run-of-the-mill vacation destination--but it’s not such a bad place to lie low for ex-yakuza Kazuki Taizou, who’s on the run from his so-called family. As he settles into his weird new life, this darkly comedic manga winds through plots both nefarious and romantic, delving ever deeper into the island’s witchy--and sometimes demonic--strangeness.

From Yaoi Is Life:

Seina, who's a tattoo artist is entrusted to do a tattoo with a very difficult design by a peculiar customer named Jin. He is confused, but happy his skills are being recognized. Surprisingly, Jin is always meddling in his affairs, and it makes him feel close to him. For Seina, who left home and has a bad relationship with his own brother, Jin is like a big brother he can look up to and put his trust on. But Seina finds out that Jin is actually his brother's friend, and only came to him on his brother's request...

A manga about combat maids engaging in trench warfare

August 1893, church calendar. The kingdom of Nohmaland declared war on the Flatanian empire and invaded their territory under the pretext of atrocities against Patlasi within the empire In order to support the regular troops, the empire send the [armed service], and armed maid group tasked with guarding/policing the castle inside, to the front lines. The war against the kingdom still continues.

Kouga Nagahisa never tries his hardest in life and he's in love with the prettiest girl Hananoi Mizuki. Mizuki has her childhood friend Kusakabe Riki who is the star of the basketball team. When Nagahisa gets home after school, he's in for a surprise.

Rinosuke's useless and vagrant father is now dead. Now, at the age of 16, he is completely alone and will have to quit school to make ends meet. On the night his father dies, a naked woman with large breasts falls from the sky and lands on top of him. She introduces herself as Sakamoto Marina, the future wife of the future Rinosuke. She states that she used a time machine to come back to the past, and start a new life with the younger Rinosuke. Rinosuke's new life with his future(?) wife begins.

A girl that has a love battle in her hands! Despite being stable with her current boyfriend, things are about to get thrown off course, and a young heart might shift and waver...

“Omniscience” is a sci-fi graphic novel. Its story is set in a hypothetical future where augmented reality has invaded our daily lives, thanks to contact lenses superimposing virtual characters into reality. One of these characters, Ingeborg, is particularly popular; she is like a second mother for generations of children, devoted and insightful. She is, however, disavowed by more and more of her subscribers – authorities suspecting her of being more harmful than beneficial to their well-being. This is what two teenagers are going to discover when they help a young fellow from their boarding school to find his parents, who abandoned him a few years earlier for an unknown reason…