From Forbidden Garden:

Meet Ikeno Komaki --an ordinary girl with an ordinary life. Everyday is pretty much the same as the last, until today. Today she awoke from a strange dream hearing voices and has unexpectedly received an extraordinary new talent.

Sakura is childish and doesn't get why everyone wants a boyfriend. A few days before the Christmas Eve, her handsome childhood friend suddenly kisses her and makes her heart race. What will she do?

From Chibi Manga:

Keeping a secret in her, Ayu went back to her hometown. She decided not to fall in love anymore, but....?

Story One: Otome no Sainou

Nakanishi Kiyoshin, nickname Onii-chan, is a 14-year-old, chivalrous heroine. She witnesses a guy, Kashiwaki Sachikana, being confessed to by another guy. The confessor gets aggressive, and Nakanishi steps in. After that, Nakanishi and Kashi-kun become friends, and then...

Story Two: Tsuki Iro Secret

Back in elementary school, Alice ("president" & "me" in the manga) met a boy who helped her out. Now president of her middle school, Alice meets a magical sorcerer named Lu ("mage" in the manga) who can't go back until the next full moon. All the students in her school dislike her and think that she is not good enough for the presidency. Where is the boy who helped her out?

Growing up in a single parent family, she longed to have a father and brothers. Imagine her excitement after hearing that her mother's remarriage will fulfill her wishes! However, upon arriving at her new home, she accidentally swallowed their family treasure and gains some unknown powers, even becoming her new "brother's" slave! From then on, her life began to change.

This mildly innocent oneshot depicts the story of 2 different high-school girls, Yuzuki and Akane, as they crash into each other at the school's corridor and wake up in the infirmary with amnesia. As a result, both of their current love relationships take an unexpected turn...

*Also includes three other stories:

• Baribari Lovers!!! -
A bittersweet high-school story depicting the follow-up between a cute but naive girl and a bad-boy delinquent who tramples with her innocent heart. You sway along with the main female--even when her heart breaks... You may have a undying urge to punch that gangster >.<

• Koimitsu

• 2U

1) Otodokemono Desu! (Delivery!) Competent president Kurokawa is hard to approach because of his fearsome demeanor. But the home delivery worker who brings parcels, Sawada-kun, with his angelic smile, is a soothing existence -- he greets Kurokawa with a fearless "Hi there!" Thinking that he wants to somehow get closer to Sawada-kun, what does the president courageously resolve to do!? A hopeless, wild idea, with a sharp glint in his eye ...
2) Amagarai Unmei (Salty-Sweet Destiny) What will happen to this poor man who's about to turn 30 when he finds out he was born without the Red String of Fate.
3) Rookie Sugou always had things easy in life until he meet his co-worker Atou.
4) Futari no Kyoukai-sen no Iro (The Color that Divides Two People)
5) Shiawase no Yakusoku (Promise of Happiness)
6) Kuse ni Narisou na (It Might Become Habit) Extra) Otodokemono Uketorimashita! (Delivery Received!)
Six works total with the title work included, plus an intense, specially-written love scene!

From MangaHelpers:
Second Lieutenant Mononobe Yuu has been sent to Midgard, to attend the all-girl's school where his sister Mitsuki is the student council president. The school is specifically for people who have "D" powers, who are needed to fight dragons, and both Mitsuki and Yuu fit the criteria. On his arrival, he meets and befriends another classmate named Iris Freya, who is having difficulties with her "D"-related schoolwork. They will do their best to succeed in this dangerous world.

As a child, Yashiro Nonoyama developed an intense fear of men due to boys constantly bullying her. Now in high school, she dreams of being reunited with her first love: a girl who protected her one day from her bullies. Yashiro is in disbelief when a transfer student named Mikoto Saionji arrives who looks a lot like her first love, but she later discovers that Mikoto is actually a guy, and that he was her first love. Yashiro learns that Mikoto is rapidly turning into a girl, and the only way to counteract this change is for them to passionately make out with each other every day.

Just before Saho Hanawa was about to matriculate into Seiran Middle School (her mother's alma mater), she meets a ghost girl, Chie, who's wearing the Seiran school uniform and standing in the rain. Saho assents when Chie asks to go to Saho's house, and they spend time talking and arguing with each other. Saho parents hear her talking to Chie and assume she must be talking on a cell phone - until they catch her talking to empty space in her room. Saho is forced to confess that she can see a ghost girl named Chie, which shocks her parents. They then reveal that Chie is the name of the stillborn baby that they had before Saho - Saho's dead older sister.

Kika has a crush on Agi, but what does he see in her?

For her brother Subaru's sake, Hitomi decides to take his place at an all male prestigious high school for a year until he recovers and is discharged from the hospital. She gets to the school and runs into a few strange guys on her first day, but as soon as she tells them her name - they are surprised and make her go to the Lion Club. Hiding the fact that she's a girl will be difficult enough and now she has to deal with this strange group who are forcing her to join their club because they all believe that in their past lives they were members of the Shinsengumi!

Description by LuffyNoTomo

The hijinks of the 'Society for the Discovery of the Truth of Occult Phenomena'.
What happens when Mano Masumi suddenly gains the power to see ghosts?

From Kirei Cake:

Suzu is your typical school girl looking to live an ordinary school life...

...Up until she realizes that she's attending a school populated with vampires, who have the ability to attract and hypnotize women for their own thirst.

Then comes Akishiro, a relatively quiet boy but is a vampire, who attacks Suzu and ends up sucking up most of her blood, to the verge of death.

However, what happens when Akishiro develops a weird affection for Suzu, where he can't bear to see her being bitten by anyone else?

On the day of the high school exam, it fell before Chiyo, a boy like Light, General (Tasuku). I assume that he is bad, Chiyo... But actually he was a motorcycle racer. It's Chiyo, but the general is showing me a new world that I didn't know about.

From Chibi Manga:
Because she loved the word "wisdom", Rui hated the words "waste" and "fuzzy". One day, a guy named Shou appeared in her life. And thanks to that encounter, Rui will suddenly change... And that's the beginning of a "rainbow school daze" between that super dry girl and that careless guy.

Nika is a 3rd-year middle-school student with social anxiety. One day she drops her eraser in class, and slacker Akira picks it up. After school, Nika follows Akira to an ice rink in pursuit of her eraser. There, she discovers Akira’s beautiful figure skating and her own love of the ice. Alternatively, Kiwako is a brash young champion ice skater and Akira’s childhood friend. Akira tells Kiwako that one day Nika will become her rival. Which genius ice skater will become The Ice Queen?

Maximillian von Bismarck is a german highschooler, that enjoys meat and action movies. He goes to school with Lisa Himmler, the cute grand daughter of some german army commander.

From BL-Gyaru and Must Be Endless:

He hit me again today. My lover Kan-chan, that is. But that doesn’t really matter. My love is being rusted by our bodily fluids. Mayama, my middle school classmate, has appeared before my rusted self and become conscious of my bruises and scars. But you want it to be like the past, on that rainy day you kissed me and froze… I won’t be satisfied with a naïve love. Drawn by Ogeretsu Tanaka, this is a story of true love and pain.

From Dan of Population GO:
Based on the light novel of the same name, Kishimine Kengo has avoided playing video games his whole life in a society filled with it. Instead, he prefers the comforts of books of which he has a tendency to get drawn into the story, perhaps a little too much. Every time he reads a story he unintentionally imagines reliving the story as the protagonist. When Kengo learns of the Modern Game club fate may let him use his imagination for another medium, video games.