From Tokyopop:

Gun has always been a problem kid, but after a tearful plea from his mom, he decides to turn over a new leaf. Vowing to abandon fighting and troublemaking, Gun transfers to a new high school, attempts to be a good student, and rents a room at the local coed dorm. There he falls for Seung-Ah, the dorm owner's granddaughter.
However love is not to be for this couple, as sexy Ji-Ae's untimely advances always thwart his attempts to woo the innocent Seung-Ah.

Miyako is a 'nonhuman' girl that her parents send her to an academy were students are taught to fight against ,non humans.' She finds out about this and thinks it is really strange that her parents did this. While in the academy she gets involved with a very important family whose profession is to kill non humans. http://www.lightlesscomic.com/

Compilation of short stories:

1-3) Hatsukoi ni Oboreta

4) Sweet Cool
Suzu's boyfriend suddenly broke up with her at the end of summer vacation. She pretended that it was alright while he was there, but as soon as he left she began to cry. The kind and cool Jun was passing by and gave her some sweet chocolate to cheer her up. The next day, they discover that they go to the same school. What will happen with this pair whose introduction was so sweet?

5) Juonteki na Kanojo aka My Grudging Girlfriend:
After losing a bet to his friends, Ginji, a well known playboy of his school, has to ask out Kei Natsumi, “the darkest woman in school”, as the kids call her. Natsumi always spends her time in the library reading horror books and it’s not that Ginji is afraid that he’ll be turned down but he’s afraid of her gloomy atmosphere. Will he be able to light up her life?
From Evil Flowers

Contains three short stories. 1) Lie to Me: Hyunjin plays a cruel trick on Gangjae, who's lost his memory in a car accident. But how will Gangjae react when he regains his memory and discovers Hyungjin's treachery? 2) French Kiss: When catty Jooyoung dares shy Yoonha to kiss anyone in the cafe, their victim, Joonsuh, turns out to be both exceptionally handsome and hopelessly naive. Yoonha's bold act draws Joonsuh to her, and what began as a mean-spirited dare takes an unexpected turn... 3) Conspiring with the Enemy: Out on a group date, Myunghae fights with a gangster...only to learn the next day that the man she quarreled with is also her new math teacher!

22 page story about two very different adopted brothers.

From Chibi Manga:

Clumsy and ordinary mao, thanks to a pet dog, she get to know about her handsome classmate's life after school...!?

A collection of short stories the centers on what else but volleyball!

Haruka and Chinatsu try to get married as Chinatsu's belated birthday present.

A nearly textless manga about a pair of girls having a picnic in a forest.

Five year old Itsuki is the type of sexy nice guy that every girl in the world wants. But what's this? There's actually a girl that won't fall to his charms?! Riu announces that she only like tall men, what will Itsuki do in order to capture her heart?

One of the five handsome men in the incredibly popular idol group "Z", Riku, is actually a girl! She's tied with the leader, Touya, for popularity. She pretends to be the type of guy that makes all the girls smile and is extremely cool-looking. However, when she receives a Christmas present from Touya, she decides she wants to show him her feminine side...!?

*Includes a short story called Romantic Shiyo! (Let's Be Romantic!).

From Aarinfantasy A really cute oneshot about relativity and time travel When salesman Yoroizuka runs into his ex-boyfriend Tatemichi Koreeda, he's uncomfortable. But Koreeda gets Yoroizuka assigned to help him in the lab, and Yoroizuka starts to remember all the good times he had with the unromantic mad scientist. If only he could remember why they broke up...

From Lililicious:

A couple subtly erotic one-shots. The first is about a woman's worries that she won't measure up to her girlfriend's past lovers. The second, about the same couple, is about how your hands get cold in the winter.

A realistic and heavy story about a fat loser and a beautiful slut.

From Liquid Passion:

Yagisawa Kei is disastrously unlucky in love, as his recent strike-out with author Itou Haruya attests. When his publishing company makes him responsible for a handsome young author, he once again finds himself walking an all too familiar path where work and play collide. He doesn't realize that he has met Subaru before... or that Subaru's reappearance now will open old wounds from a past he'd rather forget.

From Vendetta Scans:
One thing is for certain - if you exercise violence, that violence will return to you in any shape or form.
The man who bakes flour-based food and runs an eatery, has a darker past than anyone could ever guess. Unless you see the name of his store.

From FairGame:

There is first time at everything, and you don't know anything about it. Not about your partner, not about yourself and even how to advance in love. In a certain port city, energetic high schooler Kana, and firm high schooler Kouki live. Two of them experiencing first time at every thing they do. Author of "Smash!", Saki Kaori presents, Hajimete Datte ba!. A heartful love story has now begun

From Nakama:

The person Aiba Misao loves is an onnagata in taishuu engeki, named Yumedono Ginnojou. He fell in love when he saw this person on stage, believing him to be a girl. Thus, when the plain Oosato Ginji is transferred to his school, he fails to recognize him as his much-admired Ginnojou. However, Ginnojou finds love, becomes even more enthralling and makes a big break in a commercial. A long-distance relationship, a frustrating love… Complications turn these two people into adults!

In addition to the title series, also included is a hard love story where East meets West on the streets of New York!

From Antisense Scanslations:
Aka and Ine have always lived happily together in the miniature garden. But then, one day, a woman named Azuki appears. What will happen to the bliss that Ine and Aka once shared?

(pixiv manga)