From MangaHelpers:
After high-schooler Nanatsu Io is crushed by disappointment in love, she finds herself pulled into a strange cafe, "Cafe Acheron," by pretty male workers, Kiba and Resato. Io decides to change herself by getting a job there as a waitress. In order to do so, she makes a contract with the cafe owner, Kiba, who tells her she must keep her stuffed bear (now conscious and referring to itself as "Father") with her.
It's only after this contract is formed that Io begins to learn the truth! Cafe Acheron connects the demon world and the human world, and it's there that many deals between demons and humans are made. In fact, Kiba and Lesath are demons themselves, and Io is already bound to them by contract! Her strange new life is just beginning.

From StarryHeaven:

High school first year Sara has a secret…she’s really the super-popular singer SALA! However, as an idol her gender is kept a secret from the world in order to sell her music. But can Sara win when she wants to be just Sara…?

From MangaArt:
Kisaragi Arisu has wanted to be an idol for a long time. When she blew her last chance, a guy ran into her and dropped his watch. She tries to find him, but finds herself in Channel W director's office instead. The director told her he needed a girl to do a report on his show. She readily took the job, thinking that this was a debut she was looking for. Will this be her big break?

From Aerandria Scans:

From time immemorial, vampires inhabited the darkness. They were an immortal clan who shared the color of their iris with their partner... Until the appearance of the beautiful girl "Jasmine". Both of her eyes glittered with blue sparks. She is a vampire too, but what is her goal?!

Dare to open the scroll with the legend of the beautiful dancer China Blue...!

By Strawberrie:
Yuzu's big sister, who had raised her alone after their parents passed away, died in a traffic accident. Yuzu decided to take care of her sister's son, Sho. Together, the two face life with all its hardships. Chikyuu Koushin-kyoku is a manga filled with friendship, love, pain, and sorrow that will touch your heart.

A collection of oneshots:

1) Chiki Chiki Banana
Two bold, hot and fashionist high school girls, Naomi and Jennifer must certainly have many perverted stories to tell...or so you'd think. But they are actually pure virgins! The two finally get boyfriends, and their hearts beat fast as they look forward to their first sexual experiences, but what happens when their boyfriends stumble upon a magazine where Naomi and Jennifer are labelled as 'Champions in Sex'!? A must read for beginners in love!

2) Dok!n
Misa and Yamato have been dating for a while but they haven't taken their relationship to the bed yet. Yamato prefers to take things slowly but when their friends push them to take the next big step, Yamato invites Misa to his house but will everything go as smoothly as they expected!?

3) Wild Card
Ikumi likes Kurata-kun, the guy she has been friends with since middle school but whenever she tries to confess her feelings to him, somehow or the other, Mami-chan interrupts her. So Ikumi asks Ken-kun, the most popular playboy in her school, to flirt with Mami-chan and take her away so that she can approach her crush Kurata-kun. Little did Ikumi know that her 'wild card' would actually turn out to be a 'joker'!!

4) Red Hot
Komaki has a crush on the Student Council President Amamiya-kun and so she becomes a member of the Cultural Festival Planning Committee to be close to him and to win his attention. She soon finds out that a delinquent gang known as 'Red Hot' is out to defame the President in public so as to ruin the Cultural Festival. Komaki offers to work as a spy for the President to get into his good books. Komaki is shocked when she discovers that the Council's Vice-president Kiichi-kun is actually the leader of that gang. Can Komaki save the President before it is too late?

5) Muki Muki Banana
Chiki Chiki Banana extra

Four years ago, Yuki's mother remarried to a man 7 years her junior, but due to mounting financial issues, her mother decides to divorce him and moves out. Meanwhile, Yuki realizes that she has feelings for her own stepfather?

Includes other works:
- Spring Rain Diary

From Rebellious Love:

A 17-year-old girl, who has no experience with guys, one day sees a classmate drop something and without realizing what it is, she returns it to the guy. But soon she finds out that what she picked up was actually a condom! After school, she coincidentally meets the guy in the hallway and she's excited to be so close to a guy for the first time! But when she sees him flirting with other girls, she realizes that he's just a player...? What will happen between them?!

1) Training Love
What happens when Tachibana finds out that Aya has a secret hobby, will he tell Fujiki, who Aya likes or will he keep it a secret? Soon Aya starts to have feelings for Tachibana, how will it go?

2) Pale Sacrifice
Yuri's handsome bodyguard Kashiwagi is always there to protect her. But at night he changes into a wolfish guy and Yuri wouldn't mind being eaten up...

3) Midsummer Temptation
Shiori was a substitute teacher when she met Yuu, and now the two have been dating for awhile. But Shiori is trying to find a job and the stress may be too much for their relationship.

4) The Wound
Mayu has just started dating Kazuya, the hardworking guy she sees every day on her way to work. But there's something she's worried about telling him: she was in a car accident when she was three and has a huge scar that runs down her body. But Kazuya won't mind, right?

From Ivyscan:

1) Poor Chikako, who’s always changing schools, has fallen in love with her classmate Abe. In three days, Chikako will have to face changing schools again, but what about her love for Abe…

2) - Weather Forecast, Sunny -
Hikaru loves rainy days because that’s when she gets walk to school with Takehiko, but the end of the rainy season heralds changes more disturbing to Hikaru than just the weather.

3) The Wind Plan -
Kurinama Sho comes up with the perfect plan to get close to his ideal girl, Student Council President Sakatsumu Nakano. The plan works, but his idol is not quite the girl he thinks she is…

4) The Kingdom of Fairytales -
He’s a prince–well, more like a playboy. She’s his destined lover–along with the 58 other girls he’s used that line on. Can this unlikely pair make their fairytale end happily ever after?

5) Candy Romance -
A bittersweet story of the joy and pain of first love.

Collection of short stories:

1) Butterfly Cloud
Best friends Kiyo, Kanta, and Goma live in a small, depopulated island in the Seto Inland Sea. One day, a transfer student from Tokyo arrives. Before long Ritsuka, a cute and fair-skinned girl, started hanging out with the three best friends, but what happens after?
This story was released as a oneshot in the Bitter - Nakechau Koi Monogatari anthology volume.

2) Middle School First Year - Less Than Love
Koizumi Kana is in love. And her love for Fujimoto made her imagine him as a total different person and do all sort of silly things, even as far as to steal a pencil lead. What will happen when suddenly Fujimoto asks her out and she finds out that he is not the person she imagined?

3) Middle School Second Year - Man Hater
Mitsuki Abe is always being sexually harassed which lead to her aversion for men. Torii after being falsely accused for groping Abe decides to catch the real culprit. What will happen when Torii betrays her by accidently kissing her. Will Abe ever trust any other men? Will Torii catch the real culprit and be the exception for Abe's hatred?

4) Middle School Third Year - The Cherry Blossoms Scatter

On a rainy Friday, Yayoi makes an effort to go to the store to get a new pair of glasses. With her poor eye sight she ends up bumping into a guy who is soaking wet and this guy ends up helping her get to the store. He runs off quickly and Yayoi is unable to thank him. From that day onwards she labels him as Mr. Friday and has him constantly on her mind. Now her life is filled with wonder and questions as she fumbles to try and find the truth about who Mr. Friday might really be. Can it really be someone from her school?

Also includes a short story, P.M. Dream, about a teenage girl who is considered to be very much like a cool guy. She is the daughter of the owner of a boarding house, in which the bearded Kuma-san boards.

What if the Meiji Restoration never happened? Bakufu still holds sway, the class system has never been abolished, and there is no westernization. The story is set in modern-era Edo, which had never been renamed to Tokyo, where people go to Kabuki for entertainment and hang out at pancake house. It centers around Sobi, the sister of an Edo magistrate who goes to school with Michisato, who prefers to be called Michel, the eccentric son of the ruling Tokugawa clan's Mito family.

From Huffly Parfait Scans: This story is about the dog named Chokotan who has the ability to speak with humans in the human language. Nao, her owner, likes a guy named Arima. Arima has a dog named Hatsupi. On Hatsupi's birthday, Nao makes biscuits that are edible for both dogs and humans. Nao and Chokotan bump into Arima and Hatsupi on the sidewalk and Nao runs away before she can summon the courage to give the biscuits to Arima. Chokotan encourages Nao and she makes up her mind to go back and give the biscuits to Arima. Now then, will she be able to approach Arima while she's not even able to talk casually to him? And how about Chokotan's secret? - The Story about the talking dog and her Owner's clumsy-love-story!

Kobaku’s beloved Tsubasa is the lead singer of a popular group. One day, Tsubasa suddenly found himself living alone, with Kobaku at his doorstep proclaiming to be his future wife! New experiences made Kobaku believe that this is what married life is supposed to be like! Tonight…is their wedding night! Kobaku, good luck~!

Fifteen year-old Ichinose Fujiko works as receptionist in her family's bath house. Since her first love when she was 6 years old, she has not met any boy that makes her heart throb. Miyata-kun saves her little brother from being run over; is he her second love?!

Chii-chan is an elementary school student who is really inexperienced with love. When the new transfer student Rei-kun arrives at her school, her life makes big changes. The next day, when Chii-chan arrives at school, her teacher, told Chii-chan that Rei-kun is dead. What will happen to Chii-chan?

Chizumi is a high school student with Fujiomi, who is her senior by one year. However, the story continues on to when Fujiomi goes to college and Chizumi is still in high school. Chizumi is your average clumsy girl and Fujiomi your hot guy, which makes you wonder how the pair fits together. Indeed, many other characters in the story wonder the same thing and do not hesitate to test the limits of this peculiar relationship.
The first volume includes a short story called April Magic.

The series goes over 3 volumes, each with a different name:
1) Haru wo Matsu Koro
2) Pastel Kibun
3) Gin Iro Ehon

From Esthétique:
Exchange students of boy and girl schools, the start of a confusing and sweet life? Qu You Lin, a national Judo champion, and Yan Ya Qiao, honored as a traditional Chinese music genius, were forced to study in each other’s schools. What You Lin faced at the boys’ school, is a shaky Judo club, useless members, and a runaway coach; Ya Qiao, at the girls’ school, although nicknamed Little Prince Xiao Qiao, can he live surrounded by stars? Both like to go back to their schools, but still like to find new possibilities…

• Clash
A prince at school and at home, Yama is the perfect student. Only when he is alone can he show his true self and his true personality. But, one day, a girl named Saku follows him to his villa and somehow she finds out about his true personality. What will happen now!?

• Extra: Kimi to Iru Kyoushitsu
"When we are together, my heart always tries to tell you; I like you the most...but I am unable to say that aloud, unable to tell because we are just 'good friends'."