From Echochi Scans:

In the evening, a rather familiar girl standing in front of a general store’s window… Just when he thought life isn’t a shoujo manga, our dear main character got dragged into an adventure of his lifetime, at least it would seem so…

Two high school girls are complete enemies, and they both are in their own gangs. They fight each other all the time, and to get even with the other, one girl tries to kidnap the other's boyfriend. But the information her right-hand girl gives her is wrong, and they kidnap some really good-looking guy who is NOT the boyfriend of the other girl. You know what happens. They fall in love.

Side story: Photogenic
Photogenic centers around the girl in question, who has gone to cram school every day of her school life, finds a photo of an amazingly cute guy, and imagines what it would be like to be his girlfriend, instead of being one of the smartest girls in Korea.

From TerribleTrio:

1-2) TV-kun's Feelings
University student, Keisuke, was suddenly asked by his childhood friend and an actor, Souta, "Can I kiss you?" Thinking that it's a practice for the kissing scene in his next drama, Keisuke kissed Souta without hesitation...

3-4) Mr. Manager's Feelings & Mr. Idol's Feelings

5-6) Mr. Store Manager's Feelings & Mr. Serious' Feelings

7) Two Mr. Dating's Feelings
Continuation of chapter's 1-2.

8) Two Mr. Madly in Love's Feelings
Continuation of chapter's 3-4

9) Two Mr. Weak-Kneed Mess' Feelings
Continuation of chapter's 5-6

10) Two Mr. Supporting Role's Feelings

Collection of oneshots:

1. Prologue

2. Suki no Kimochi

3. Suki na Hito no Suki na Hito

4-5. Kimi no Kanaderu Hikari (The Light that You Create)
There’s a rumour going round Yuki’s school about a ghost who inhabits the old music room. One day, while playing the piano in the music room, Yuki is approached by that ghost…
- The Zero Alliance

6. Neko to Shakushi to

7. Tama ni Onegai!
A short story about a boy who copes with one of his friend's strange fetishes...
- BlindingLight

8. Suki to Gomen ne

9. Are kara, Kore kara

One shot by the new Mangaka released in the 11th issue of Comic Alive 2013.

A collection of 6 stories.

[STORY 01]
Suki Ja Nai (I Don't Love You)
"If you always say 'I love you,' you'll find happiness." Thanks to grandmother's good luck charm, Rio is a very happy and bright high school girl, well-liked by everyone because she tells everyone that she loves them. ...Except for a boy in her class named Kaito. For some reason, he's different from everyone else. He makes Rio nervous and gets her heart pounding, and she can't communicate an "I love you" to him. Just what's going on!?

[STORY 02]
Koi No Mukou (Beyond Love)
Stories 2 and 6 are continuations of the first story.

[STORY 03]
Kiss No Jouken (The Terms of a Kiss)

[STORY 04]
Touched by Love

[STORY 05]
Surprise Attack

[STORY 06]
Happy

Haruka (14) and Sakura (12) are sisters. Yoshiko (14) and Mai (12) are sisters as well. So what happens when best friends Haruka and Yoshiko have an attraction to each others sisters of the Yuri kind?

Compilation of short stories:

1) Samurai Darling
Amiko saw a boy dressed like a samurai at a school festival. What will she do?

2) Toumei Shoujo (Lucid Girl)
Yuki rejects a present from his childhood friend Risa, but something happens and he sees things from a different point of view.

3) Some Kind of Childhood
Rika doesn't understand the point of kissing. Will she change her mind?

A story set in the near future, about a middle-aged loser whose only refuge is a virtual bishoujo game.
Takuro, the main character, is a stereotyped, low self esteem, adult male in a dead end job. Because he feels he has nothing to live for, he let himself go, becoming fat, miserable, and lonely. The only shining thing he lives for is the occasional visit to a brothel where his savings will allow him to at least not be completely sexless. This is when, through a real life friend of his, he is introduced to the virtual reality world of "The Unreal". Where, after spending $6000+ on equipment, you can purchase a virtual girlfriend who only thinks of you. Only the girl, Tsukiko, that Takuro purchases, seems to have come with a few defects.

From Nagareboshi Manga:
Aria’s parents have been gone since she was very young. Thus, she’s had to grow up in a “foster home” of sorts, and was raised by nuns. On her 16th birthday, Aria recieves a present in the mail– a ring from her “Daddy-long-legs” (a man who protects someone from afar while they’re growing up)! All of a sudden Aria’s life is thrown into chaos. Men try to run her over with cars, shoot her, and kidnap her. Relief comes in the form of Canon, who claims he’s her bodyguard. But can he keep Aria safe forever?

When Rad is child he can't control his power as result he killed his Older brother Rinpu. After that Rad Decide to tech many people same as him, How to control own Power. He Created a school for it. He looking for peoples with same power and recruit them to his school.

A slightly strange story about a puppet and a young girl.

A boy who likes playing bishoujo game “Kokorone Heartful” wants to be the protagonist of the game and makes a wish to the gods. A god with wish-giving power had never granted such a wish before and was curious. But the god had no clue how gal games work. Based on on the game’s cover art with female protagonist Kokoro Aihara, the god mistakenly thought he wanted to become the girl.

From Entropy:
Set in 1809, this story involves Carl Czerny, Franz Peter Schubert, and Ludwig van Beethoven as they attempt to investigate the mystery surrounding Mozart's piece "Mozart's Lullabies," driven by the death of a storeowner. Want to know more? Want to unravel the mystery? Read it!

Satsuki Yumizuka, Sion Eltnam Altasia and Riesbyfe Stridberg are outcasts of society, living in the alley, hidden from public eyes. Satsuki and Sion are both vampires and together with Ries, they have been living aimlessly after the events of Tatari. Sion decides to build a robot to help construct decent living quarters for them, but something goes horribly wrong and the robot ends up making a 100 meter pyramid in the middle of the city. Thinking there might be foul play, the trio investigate the pyramid and get things under control. Based on the Tsukihime and Melty Blood games, you will be introduced to other familiar characters like Kohaku and Akiha.

Zion, a girl that is always taken advantage of by her friends because she is so shy and timid, is approached by two people who asks her strange questions about whether she believes in Confucianist moral doctrine and in the end she is bowing and performing sacrificial rites to ancestral gods. It’s shocking enough that the daughter of a pastor is possessed by a ghost, but what’s more shocking is that this ghost is a young oppa who sports a fashion that surpasses most of the outstanding looks of bachelors and rockers! From this day on, Zion’s life changes forever. From a shy and unsuspecting high school student, she turns into an exorcist.

Houjou Hinaki is a young girl who has in her possesion a ring, a gift from her father. Anyway, this ring is not an usual one. When she kisses it, a young noble man named Sae appears in front of her and grants all her wishes. However, Sae is trapped in the ring and can't tolerate much time outside and together with Hinaki and her freaky schoolmate Yume-senpai, tries to find out a way of how he can escape from the ring's prison.

Kiyora is a bored student at St. Joanna all-girls school. Using one of the books her father sent to her, she unleashes a demon, and then begins to investigate the disappearance stray cats from the school's campus in the hopes of unmasking the virtuous priest, Father Shion.

From The Zero Alliance:

In the midst of a battle against heroes, the demon king, Rou is transported to a different world, where he ends up as a high school transfer student. When his classmate, Hitose discovers his true identity, she tells Rou that she wants to help him get back home. Although Rou thinks of Hitose as annoying and strange at first, they manage to form a friendship.

Note: Original language image is unavailable without a watermark.