Kira believes that Rei and all other men in the world are dirty. She stays away from her classmates, hiding in her art. What happens when the delinquent motorcyclist and playboy, Rei, gets a hold of one of her drawings, and actually wants to keep it?

The first story, Namae no Nai Uma, is a ＭＡＲＳ prequel telling the first meeting between Rei and Tatsuya and the beginning of their friendship. Moreover, they've also presented other main characters such as Kira and Harumi.

The second and the third stories, Nemuru Raion and 1 Karatto no Kajitsu, are oneshots not related to ＭＡＲＳ.

The first tells of the strange relationship between Isomu, a guy who pretends to not have any fear, and Ayame, a girl with particular behaviours; on the contrary, the second tells of Nina, who has some family problems, and Rui, her classmate who is interested in a close friend of the hers. But what if he's interested in Nina?

From Aerandria Scans:
Mika is just a normal high school student who dreams of having a wonderful love. And then one day, she happens to meet Hiro, the guy of her destiny. While experiencing many sad events, and while getting hurt, the time she spends with him is still one of the most happy moments in her life...

A short one-shot recounting the legend of a dragon and a sacrificial girl.

From Lezhin: He will follow every command I give him. He will follow me to the ends of the earth. He is Forever Mine. Original Webcomic Official English Translation

From JanimeS:

The world of Siesta is set in fantasy Europe where there are people called bullet users who were discriminated against badly for reasons unknown to readers as of volume 1.
The discrimination has gotten much weaker due to Grande Corp's efforts to wipe out the decades-old pirate faction with the help of Bulletron, a battle suit designed exclusively for bullet users.

The story begins as the protagonist Dia Canto tells you a little bit about herself: how she became an orphan, how she met her foster family, and how she is very much in love with her step brother, Loe. However, her affection toward Loe is brutally crushed before it would even bear fruit and she goes out to vent her sadness. This is when she encounters Cid Leon, who she would ultimately be paid to "protect".

The emotions between these two are fresh like a strawberry and sweet like a cup of milk tea. Love is blossoming all over this campus!

Crossover between Ore Monogatari!! and Nisekoi.

After 3662 blind dates, the 160-years-old Headless King of whom everyone is afraid is finally getting married! But the King keeps hiding from the cute and gentle Princess instead of meeting her face to neck. So how can the Headless King and the Princess get to know each other?

From Shoujo Crusade:After an intended confession turns into a grave accident, Tougo wakes up 4 years later with the failed attempt clearly etched in his memory. He sets out to confess again, but just how much has changed in those 4 years?

The young Erwin Smith is a rising star in the Survey Corps, humanity's only hope of defeating the man-eating monsters known as Titans. Ruthless and dispassionate, Erwin’s mind is devoted to strategies and intrigue. But beneath Erwin’s feet is another world, the Underground, where humans are born and die surrounded by the garbage the Capital throws away. Here, the criminal Levi survives on his wits and agility. But when these two ambitious men cross paths, who will prove himself stronger?
The origin story of Levi and Erwin.

Kohinata Ayumi is about to go on a date with her boyfriend Shiro, but then she gets a mysterious call from one of her classmates!

Suddenly, she wakes up in someone else's body!?

Aya and Hisaki share a connection that goes beyond that of a normal master and his familiar: they’re also a dysfunctional brother and sister duo who are constantly at each others’ throats! But when a face from Hisaki’s past threatens to tear them apart, will they be able to keep from strangling each other long enough to see each other through?

Hosaka Taihei is a handsome medical examiner and he just switched jobs...to be a nursery teacher!! It's the first time he's experiencing difficulty in keeping a conversation with two years old. Isn't it cute to see an evil faced new nursery teacher? The start of a complex love begins in a kindergarten!

From Transcendence:
As the war-torn kingdoms vie for power in Ancient China, a deadly yet beautiful struggle also emerges in the seraglio of the King Xun, the King of Ding! In order to gain the terrifying King Xun's favor, Ninghu's family is determined to make her the future Queen, but King Xun is not interested in his concubines at all.

Not willing to become just another neglected concubine, Ninghu disguises herself as an eunuch servant to her brother Yuanren, the second most powerful eunuch and adviser in the kingdom. However, the moment that she enters the Scarlet Palace, Lingyu, the most influential and favored eunuch, suspects that she is a girl and begins to investigate her.

With the mysterious death of Lingyu's original servant, Ninghu decides to become Lingyu's personal servant in hope to approach King Xun. However, King Xun is absent from the palace, and as time goes on, Lingyu and Ninghu become more and more attracted to each other. Could they have fallen in love with each other?!

From Hanashi:

The start of high school life. To the girls, that also meant the start of their love lives. For brand new first year student, Takahashi Nanami (Nana for short), it was no different... She happens to end up in the same class as the incredibly popular Yano Motoharu, who rumors say that two thirds of all the girls are guaranteed to fall in love with. But will that hold true for Nana, who says that if she had to choose between like or dislike, she'd say she dislikes him!?

Note: Won the Shogakukan Manga Award for shoujo in 2005.

Jang Yumi works at the home for lost children at a department store. Her job is to make them as comfortable as possible until their parents pick them up. But it seems that it is not always easy to take care of these brats...

Kang Chan and Seyeon have been close friends since they were young after being introduced by their parents. After entering high school, Seyeon suddenly received a confession from Kang Chan and became aware of Kang Chan since then. Meanwhile, Naeun is displeased with their relationship. The trivial and noisy story of their love triangle and those around them...