From ShoujoMagic:

High-school freshmen and twins, Nae and Moe, and Ken and Takeshi, enjoy their lives as students and close friends. Until Moe suddenly dies in a traffic accident... and her corpse disappears? Between the vanishing corpse and a pharmaceutical corporation, her three remaining friends are struck with the reality that something is amiss in their world...

Pokémon Chamo-Chamo ☆ Pretty ♪ is set in the same universe as Magical Pokémon Journey, and features Pikachu and Clefairy as returning main characters. However, it is set in Hoenn and most of the main characters are new, mainly a Torchic, Poochyena, and a human character named Haruka.Source: http://zesty-pokemanga.tumblr.com/post/45758379723/i-had-to-search-hard-for-these-ones-too-this-is

Makoto is a girl, but because her name sounds like a boy’s, the school mistakenly placed her in the boy’s dorm. On her way to the dorm, she encounters a guy with hair that looks like a helmet. Turns out, this Helmet-senpai is one of her dorm mate! Makoto starts to fall in love with Helmet-kun because he is kind. His helmet hair is covering his face all the time so Makoto really wants to see his face. But, how will she find out more about Helmet-kun with the other two members? One is a cheapskate and the other, a narcissist. What will happen to Makoto’s love?!

A collection of short stories about first romantic relationships. When young people first start dating, there's a lot of shyness, miscommunication, and embarrassment involved. How do you figure out the perfect time to grab a girl's hand while walking together? When is the right time to share your first kiss? These brief stories capture the innocent awkwardness and the excitement of falling in love.

Hibi Chouchou and Hirunaka no Ryuusei crossover bundled with Margaret 2014 #11 as separate-volume supplement.

Hirunaka no Chouchou: Shopping Biyori no Shinhakken (A Shocking Day for New Discoveries)
A shopping mall date with Suiren and Kawasumi. But... Suiren gets lost?! She and a small girl find themselves at the Lost Child centre where suddenly Suzume and Mamura come along!

Hibi Ryuusei: Suzume no Parallel Koukou Nikki (Suzume’s Parallel School Diary)
The Suzume who steals everybody’s attention at the high school entrance ceremony. Though she's no great beauty, she does things at her own pace and is a hot topic amongst everyone. In the middle of this, the only person who doesn’t notice her, Kawasumi – will he become interested?!

The genius robotics professor, Dr. Komyoji has created Jiro (who has the ability to transform into Kikaider) – a humanoid robot tasked with the protection of Dr. Komyoji’s son, Masaru, and daughter, Mitsuko. Gifted with a conscience circuit, which has the power to simulate real emotions that helps to distinguish between “right and wrong”, Jiro must protect Mitsuko and Masaru from the evil Dr. Gil who wants Jiro to join his army and aid in his goal of world domination.

From Nagareboshi Manga:

Ayumu is absolutely in love with the young fashion designer Renji. She even enrolls in the same high school as him! After a certain incident, Renji finds out just how much Ayumu loves him, and that she's determined to help him with his clothing line, [BanDit]. He agrees to let her help him, but finds out that she could also be a talented designer (although she can't sew at all) herself!

What happens when a girl and an eccentric student council president happens to meet?! A youthful love comedy between an abnormal boy and girl!

The lovers’ refuge, Café Gem. There, the college student Kouta fell in love at first sight with the regular customer, Nanjyou. Due to unexpected events, he becomes a freeloader in Nanjyou’s house, and the daily heartthrob begins, but…!?

1) Ill Natured Lip
Salaryman Takafumi has fallen deeply for his childhood friend, and neighbor Ryu, who is still in high school! But Ryu always gives him the cold shoulder, which worsens as time goes on. What is happening?

2) Unspeakable Innocence
Student Esumi is constantly sexually harassed by his friend Oda.

3) Neighbor Love
Ikuo and Hyuuga are neighbors that are friends, and maybe something more?

4) The Key of Bonds
Nara and Hirao are college students who just sort of fell into a relationship. But Nara is getting more serious about the light-hearted Hirao.

5) A Kiss Sweeter Than Honey
Takumi's older sister is often brought home drunk by her coworker, Sasaki. But whenever Sasaki comes over he brings Takumi delicious desserts.

6) Innocent Smile
Ryou's going off the college and Takafumi's freaking out!

From AQUA Scans:

"The person I love is in love with a 2D object-"
Kokoa, a girl with a romance level of zero, likes the most popular boy in her class, Soushi.
However, Soushi is currently a light novel author in high school, and he's a pure, bright, otaku boy...!?

Civil engineering student and reknowned bridge otaku Youichi helps a swan stuck on the scaffolding for a bridge under construction, only to be visited that night by Miwa, a beautiful woman claiming to be the same swan Youichi rescued. Miwa stays with Youichi in order to pay back her debt, but he is, understandably, less than convinced that she is what she says she is. But, Youichi not being one to look a gift swan in the beak, or more importantly not one to leave a woman in need hanging, things soon develop in the way you might imagine.
(Then again, maybe not exactly like you imagine...)

Hiro loves Yuu, but the love is unrequited and he won't pay any attention to her. One day Hiro follows him and discovers he works at the "Sengoku Cafe".

"I just want to serve him, like a robot would a master."
For some reason Rai kun has deigned Yuma his robot as children. A title Yuma takes far too seriously, especially now that Rai kun's intentions may be shifting a little. As an orphan living in his house, Yuma only knows how to care for Rai kun's every need. She has no space for her own feelings and emotions! Except those of gratitude and... something uneasy which makes her heart beat really fast!

From Yen Press:

Momoko is the only child of the Kuzuryuu clan, a powerful martial arts family with inhuman strength. But strong as she is, her father fears a woman will never be able to master the skills of the family. Unless Momoko marries and bears a capable heir, the Kuzuryuu line is doomed to weaken and die off! With this mission in mind, Momoko is sent to the rival Inuzuka clan, where she is to marry the son of their mighty leader. But Koushi Inuzuka abandoned the martial arts long ago. Now committed to his legal studies, the last thing Koushi has on his mind is marriage — especially not to the world’s strongest bride!

In the Middle Ages, jousting was a duel between knights who put their prides on the line in an effort to take down their opponent in one sweeping blow. Even with the changing of time, jousting is still being done. In one country it has gone from "duel" to "sport" and everyone, girls as well, is encouraged to become knights and take up the sport. One girl, Celia, is no exception. It was through jousting that she met her first love, a jousting student named Takahiro in her youth. However, before she could talk with him, tragedy struck in the form of a jousting accident and he returned to his country before she could approach him. Years pass and Celia has become a strong young woman. Attending Winford Academy, she studies the art of jousting as well as how to become a knight. It is a new school year and she sees Takahiro among the new students. Will she be able to approach Takahiro this time? Will she become a knight? Only time will tell as the story unfolds.

Around the table, Three university students no girlfriend. How can they not have? The three try to get the answer as you imagine your ideal girlfriend.

From Nakama:

Borrowing Yoshiaki's words, 'pretentious hippy' describes Kasumi. Inseparable since their school days, Kasumi is an independent and super sexy freeloader that comes and goes from Yoshiaki's room... and his bed... Not only that, there's more to Kasumi than meets the eye...

Ch. 7: Up Up Upside Down! (oneshot)

Yagimoto Kazuhiro is a high-school boy known for setting couples up, but in reality, he just wants to get a girlfriend himself. One day, a girls asks him to be her boyfriend...but its not what he thinks it is.

Jun Asuka is a member of an aristocratic family that has a tradition of marrying off its daughters once they reach the age of eighteen. For the athletic and independent Jun, this is a fate worse than death, and thus she escapes the castle with her servant, Kurata Onami. But escape, it seems, is not so easily achieved as her mother has sent a gaggle of goons to not only retrieve her, but to take her virginity as well. Will Jun's purity and kick-ass fighting skills save the day, or will she be screwed -- literally!