Through the use of her research in parthenogenesis genetics, Kita-san from the Sciences and Mathematics Department had been able to have a child with a star athlete in the Physical Education Department, Minami-san. This is the story of how their child and family came to be.

From Shinmakoku Scanlations: People say first love is the hardest to forget... And it is, at least for Hiroto. As much as he wants to, he just can't get Wataru out of his mind and heart. That guy next door, who is five years older than him, now even has a lover, and clearly is not interested in him. Hiroto has to learn to live with it... and with Wataru as his roommate, forgetting will certainly be the hardest thing to do.

Based on the visual novel Tomoyo After (a Clannad spin-off), this manga retells the story from Tomoyo's perspective.

From Yaoi Is Life:

Watanabe Chris is a high school teacher.
When his father remarries, he finds himself with an English stepbrother named Wataru. Shortly after Wataru transfers to the school that Chris works at, their parents die suddenly in an accident. Chris and Wataru begin to live together, and before long they fall in love.
Wataru enters his second year of college still living his happily-ever-after with Chris.

At the same time, Wataru's childhood best friend and former suitor, the cross-dressing Rei, is falling for Yamada, who's always secretly had a crush on Chris...!

Amano Chizu is a 22 year old teacher who had bad luck lately. On his way to school he met a person by the name of Natsume who is actually from the demon clan of the West. Natsume came to the human world to look for his bride who is called Ameno Uzumi No Mikoto? Who turns out to be Amano Chizu himself. It is said that Ameno Uzumi No Mikoto is actually a Wife to the Natsume clan and that the only way the clan can make children is to make love with Ameno Uzumi No Mikoto. Slowly Amano Chizu needs to learn who he truly is and understand that his life is anything but normal.

By Exiled Rebels Scans:
Trying to find his little sister a tutor for her college exams, Arimura, who has a giant sister complex, enlists the help of a younger classmate whom he use to play baseball with in high school.

On the seventeenth birthday, a virgin must be sacrificed. But why?

From Tokyopop:
An introspective, character-driven series, Tokyo Babylon reads like a manga version of The X-Files. Its story -- a modern-day fantasy -- follows a young onmyouji (spiritual medium) on his quest to protect Tokyo from evil spirits.
Teenaged Subaru Sumeragi is the 13th head of the Sumeragi clan. Together with his twin sister Hokuto and the mysterious veterinarian Seishirou, Subaru travels around Tokyo, calming the ghosts that threaten the city.

Short, often silent, stories that appeared in the beginning of most issues.

01 入江亜季 IRIE Aki (October 2008)
02 長澤真 NAGASAWA Shin (December 2008)
03 宮田紘次 MIYATA Kouji (February 2009)
04 森薫 MORI Kaoru (April 2009)
05 高田健一 TAKADA Kenichi (June 2009)
06 福島久美子 FUKUSHIMA Kumiko (August 2009)
07 吉元ますめ YOSHIMOTO Masume (October 2009)
08 富明仁 TOMI Akihito (December 2009)
09 高橋那津子 TAKAHASHI Natsuko (February 2010)
10A まさひこ Masahiko (April 2010)
10B RUMIKO (April 2010)
11A 真田順子 SANADA Junko (June 2010)
11B 犬童千絵 INUDOU Chie (June 2010)
12 梶谷志乃 KAJITANI Shino (August 2010)
13 菊池るち Kikuchi Ruchi (October 2010)
14 福島聡 FUKUSHIMA Satoshi (December 2010)
15 長野香子 NAGANO Kouko (February 2011)
16 黒須高嶺 Kurosu Takane (April-May 2011)
17 碧風羽 MIDORI Foo (June 2011)
18 宇島葉 UNOSHIMA Yoh (August 2011)
19 中川麻子 Nakagawa Asako(?) (October 2011)
QUIET 入江亜季 IRIE Aki (November 2011)
20 白浜鴎 SHIRAHAMA Kamome (December 2011)
21 牧田真希 Makita Maki (February 2012)
22 鳥羽雨 Toba Ame (?) (April 2012)
23 高橋拡那 TAKAHASHI Hirona (June 2012)
24 若槻久美子 Wakatsuki Kumiko (August 2012)
QED 樫木祐人 KASHIKI Takuto (September 2012)
25 薮内貴広 Yabuuchi Takahiro(?) (October 2012)
26 松本結樹 Matsumoto Yuki (December 2012)

From Vampire Knights:

Touko is a 15-year-old aspiring actress who can be a bit of a liar. But thanks to one lie, she lands herself in the middle of an audition for a TV drama! A producer she meets there, Kyouichi, sees potential talent in her as an actress! She's found what she wants to do in life, but what kind of future awaits her?!

A collection of oneshots:

1) Tokyo Ants
A special security group consisting of highly-skilled people rescues a hostage.

2) Enma 1 & 2
Two different stories about people who can see electricity when someone tells a lie. (Enma 2 story by: Ookawara Ton)

3) Butterfly: Swallow Tail
About a boy who can see swallowtail butterflies around people who are going to die.

From Lezhin:
In a world where we're made to believe monogamy is the proper way of love, this story provides a naughty peek at what it might be like to enjoy life with multiple partners.

Since they were kids Sou has always been Rikiya's "subordinate", and now that they are in the student council things haven't changed that much... or have they? When a freshman comes into play, jealousy and secret plans are put into action. But is he really interested in who he says?

From Lezhin:
Every guy on Earth has a secret folder filled with sensitive material, don't they? See what's inside this "Secret X Folder". The creator of the highly acclaimed "Drug Candy" has come back new and improved with more mature graphics, enhanced drawings, and more laughs to go around!

From Fantasyshrine:

High School Senior, Yokozeki Haruhito has always been watching the teacher-in training, Arisawa Yuya. However, this doesn't go unnoticed by Yuya's cousin, Yuma. Yuma volunteered to be Yuya's substitute. Things started to escalate when one day Yuya walked in on them while they were kissing...

After 17 ordinary years on Earth, Makoto Konno's journey was about to be ended by a freak accident. Then, life gave her a reset button. With her new found time-leaping powers, she immediately sets out to wipe off all the little annoyances in her daily life, from failing grades to iffy relationships she can't handle. But as her time-leaps get more frequent, she is forced to realize that every change she makes has profound repercussions that she can't foresee...and should her powers fail her, the consequences could be disastrous...

This was set as a prelude to the 2006 animated film of the same title, which was in turn loosely based on the 1965 novel.

Toki is a Princess and she is to be wed to a Knight, to which there is mutual affection between but she still has concerns. Toki also has a second persona within her named Towa. Towa has blonde hair, and is much different from the reserved Toki as she is much more unyielding.

A girl named Miu stumbles upon a mysterious pawnshop where the only item for trade is time itself! Everyone always searches for extra time, but are they willing to exchange something that is more valuable and irreplaceable — their most precious memories? These memories could be wiped out forever if the borrowed time is not returned. Tokiya, the shop owner, recruits Miu to work part time as a "Time Go-Between." Her new boss is sweet, but he has his own motives regarding the time he trades. And Miu must always remember the most important rule: Never speak of the shop to anyone.

A short and sweet one shot celebrating the birth of love between this girl and her crush.