From Shoujo Sense:

Right before the wedding ceremony... something happens to the groom?! Would you love someone who has changed?

Tomoka and her boyfriend You are going to be married! As they exchange their vows, You proclaims "I don't". Surprised, Tomoka just found out that You doesn't remember her at all! What will Tomoka do? Will You ever remember her?

Takashima works in sales. One day, Kitamura, a kouhai at work, finds Takashima's cellphone with his own face as the wallpaper. Takashima wants to keep the fact that he is a narcissist secret, so Kitamura agrees to be discrete if, in exchange, Takashima becomes his sex friend. What will happen when Takashima discovers that Kitamura suffers from erectile disfuntion?

A mysterious man of outstanding beauty appeared before me... just as I lost my father to the hands of death. Although I thought he was a debt collector, I was surprised when I found out he was actually my possible foster father. Before I knew it I already fell for him - Sena-san. One touch from this man makes my heart race! Also, what is the meaning of that sudden kiss?!

Aoki Ume's C77 doujinshi, one original story about a high school couple and a GL one about Yumi and Momoko from Saki.

A story about a girl named Go Dok Mi who gets caught stealing looks of her next door neighbor, Kim Ji Hoon, by Ji Hoon's younger friend Ge Geum.

In the Shibuyaku Maruyamachou series:

Volume 1 - Shibuyaku Maruyamachou

- Shibuya District, Maruyama Neighborhood: After School
Itoi is being picked on by her classmates, but doesn't want to admit it to herself. She becomes closer to Ariyoshi when they are paired together to make costumes for a party and Ariyoshi takes her shopping in Shibuya. Will Ariyoshi be able to help her admit what's going on and come to terms with it? And is there something more between them than just friendship? A two-part story in a compilation volume by Okazaki Mari in which all the stories feature the Shibuya district.
- Lililicious

Volume 2 - Sakura

Volume 3 - Rounin Gorou

Volume 4 - Hyakka Ryouran

- Wasurena Kusa
- Adabana
- Matsuri Ichiya

1) In "A Can of Happiness", Emi wins the special prize in a raffle, which turns out to be a can that supposedly holds happiness. There's even a weird little man who starts following her around, claiming he's the "god of the can" and trying to give her advice. But all she wants is for her relationship with her boyfriend to feel less like a one-sided crush. Will this can really help her be happy?

2) Because of the annual health day at school, Shinako finds out that she's 4 kg heavier than her crush, Nagase. How will she handle this and what will happen if Nagase ever finds out? Is it true that "Boys Just Don't Understand"?

3) High jumper Kito from "A Million Words" is one year older than her boyfriend Kawai - a fact that his classmates seem not to approve of. She feels pressured to live up to the image of being grown-up, so that Kawai won't be disillusioned. This relationship is bound to end in tears - or is it?

4) The proud tsundere Matsuda has been in love with happy-go-lucky Tsumura for ages, but she just can't tell him. Aggressiveness is her heart's only defence when she's near him - after all: "The Opposite of Love is Hate". Tsumura has never minded before, so what will happen when that changes?

5) Kawamura and Tanaka are going out now, although Kawamura thinks Tanaka is a bit scary, and it's actually Kondo-sempai who likes Tanaka. What went wrong? And why did Tanaka agree to go out with Kawamura in the first place? You'll find out in "I'll Always Be Here".

From justpeachyicedtea:

Adults have secrets. One night, after hearing a scream, Takimoto Kaoru is suddenly held tightly by someone in complete darkness. He was too surprised to retaliate, but the smell that tickled his nose was… Sakumra-kachou?! In addition he tells him to “sleep with me tonight”?! Takimoto, who couldn’t refuse an elite superior is now being used all over the place! And the appearance of a troublesome yandere ikemen Iwase Yuutarou doesn’t help either. A bitter love, where the guys’ wounds and secrets overlap, is here.

When researching an ancient sunken ship in the Arabian Sea, Belle is kidnapped by rebels and confined on a small, deserted island! One stormy night, she is rescued by Rafiq, a strong man, who turns out to be the prince of the kingdom of Q'aroum. But Belle is once again locked up-this time in his palace. To her astonishment, Rafiq even demands that she marry him within one week! What's his purpose? The young prince Rafiq has a secret reason for keeping Belle in his palace...

Collection of short stories:

• Sheherazade
Youko just started working as an office lady at a new company. According to the gossip, Shinogami, her boss, is cursed and any girl who gets involved with him will die. After a lively welcome party, a drunken Youko wakes up in Shinogami's bed. What will become of her and this gorgeous man?

• Sheet no Sukima
Momoko and her boyfriend go to apply for a marriage registration form, but the man at the public office, Hisame, is so rude that he offers them a divorce registration form as well! One month later, Momoko returns and...?

• Yoru no Bannin
Maya consistently stays late at night at the office to finish her work, which earns her a nickname from the security guards. One guard in particular won't allow her to stay despite her cries of saying that she'll be done in 5 minutes. However, he notices that she's been getting thinner and decides to make her lunch?! What exactly is going on?
(Sidestory to Chou yo Hana yo)

• Blanc
Girl is getting married soon and goes to visit her cousin that she grew up with. However they're closer than just family.
(Also included in Kinjirareta Ai no Kajitsu)

• Kizuato
A woman whose husband was killed in a car accident sexually abuses her handsome servant.
(Also included in Kinjirareta Ai no Kajitsu)

• Izayoi
Tsukiko is driven to suicide, while Akito tries to keep her away from her doctor. But what is Akito's relationship between Tsukiko and the doctor; what is the doctor's real identity and who exactly is Akito?

In the year 1800 B.C. there was an ancient city called Babilim, a very important trade center, and this is where a teenage boy named Namuru lives and attends school. Namuru is instantly attracted to the mysterious new girl in school, Shaz, and she later gets them in trouble with some street thugs when she steals from a merchant. However, Shaz removes the head of the attacker without killing him and scares the thugs away.

She explains to the confused Namuru that she possesses 1/50th blood of Marduke, the city of Babilim’s God of War, and that he does as well. With the blood of a god within him, she explains that they can tap into a small part of the almighty power to manipulate dimensions which in turn allows them to remove and transport objects (explaining the “beheading” of the street thug). What’s even more shocking is that Shaz wants Namuru to help her take over Babilim in order to destroy the kingdom.

From justpeachyicedtea:

Consists of five delicious short stories.

1. Smoking Room

2. Yumeutsutsu Break Room
Suzuki, who wakes up as usual, comes face to face with a stranger who says “I was just eating your dream”. This man, who shows up from time to time, now makes him crazy disgusting coffee. But being told his dreams are beautiful and delicious, Suzuki’s heart melts bit by bit.

3. Ibitsu na Kutsuzoko

4. Nonfiction Red

5. Kimi no Tsukue de Odoru Boku

A collection of oneshots.

From Chibi Manga:

In that world, there are popular people and not popular people. That’s what that Miya-kun told Rui (17 year), who is not popular, after he dumped her. But what kind of girl will replace her…?!

A boy trying to commit suicide finds a zombie girl that tries to stop him from killing himself.

Himoto Sora is a transfer student with a sense of justice and dreams of becoming a knight. Upon arriving at Utopia Gakuen, she learns of a virtual reality-like game played by the male students in which they use girls as weapons in battles for status and treat them as commodities. Seeing one of these girls being abused she steps in and through some sort of error unwittingly becomes the first female participant of the game.

Republished in 2017 in a 3 volume omnibus
1) Shitsurakuen - Hangyaku no Otome no Shou
2) Shitsurakuen - Shinai no Otome no Shou
3) Shitsurakuen - Rakuen no Otome no Shou

From Sumie:

A love story between two souls separated by their stations in life, in the form of a tattoo.

-----

"Even if we stopped seeing each other, my soul would always be with you."
A man visits a certain tatoo artist. A vivid love story of surreptitious, yet intense longing of two souls.

From inmeliora:

Eight years ago, Mio, the princess of the White Kingdom, and Sakuya, the second prince of the Dark Kingdom, became friends when she got lost in the forest and Sakuya helped her. They were friends until one day, three years ago, she was sucked into a hole and went missing, and Sakuya is determined to find her. In the three years since her disappearance, he became friends with her older brother, Rui, the second prince of the White Kingdom, even though their two kingdoms don't get along. One day, while joking around, a hole opened up in the sky and a girl fell out of it. Sakuya had dreamed this would happen, but who is this girl and why did she fall into heaven?!

In this story set in the early 1980s, a young man dreams of becoming a renowned comic writer in years to come. His name is HONOO Moyuru. He has no money, only a dream. Then, he feels overwhelmed by his lack of ability, and buys some sake, although he has no head or stomach for alcohol. This is a tortured elegy for any dashing young art student who spends his days careening around in burning ambition. Note: Was nominated for the 3rd Manga Taisho Award in 2010 and for the 19th Tezuka Osamu Cultural Prize in 2015. 

From Evil Flowers:

1) I should have...
En Asakura often has the same dream lately. She dreams of a boy asking her to kiss him. Her dream is connected to a painful memory from her high-school life, when she felt in love with a boy named Maru. When he asked her to kiss him, she refused, and now she's regretting it. Not to mention that the boy started to date another girl after that incident.

En is now in university and is trying to find her life partner through goukon: blind group dates. What will she do when a boy with the same name as her past crush asks for her number? Will she refuse and regret it again?

2) The Realization Of Happiness
Continuation of the preview chapter.

3) After School Kiss

4) Tell Me You Love Me

5-6) My Friend's Boyfriend