Koizumi Shintarou is 30 years old, a virgin, and has isolated himself in his room for 15 years. He has become a burden on his father, Koizumi Yasujirou. One day, Shintarou makes a proposition that if Yasujirou gets a girlfriend, Shintarou will come out of his room. It turns out that Yasujirou has already made a girlfriend, a young beautiful woman, Yoshinaga Haruka, who is with Yasujirou for her own personal reasons. Yasujirou and Haruka decide to get married, but Yasujirou dies on their honeymoon. Now Haruka decides to take care of Shintarou, and so this weird "mother and son" are now living together.

From JShoujo Scans:

The resident class hottie in Madoka's class is none other than Takashi-kun, aka Mr. Four-Eyes. He's someone she's known since childhood, and he's a super computer geek. She can't believe his popularity with the girls in their class, and so decides that there's no way she's going to fall for him like the rest of them, but one day...

From Nagareboshi Manga:

The day Sachiko confesses her love to Masuda-senpai is the day she discovers that she'll be living with him from now on! After being rejected, how will Sachi deal with living with Masuda-senpai? Not to mention his double personality!

---

Includes a bonus story called Yuki ga Futtekita (Snow Has Fallen) in vol.2.

Short stories where heroines try to hide themselves behind their glasses. Will they be able to find love anyway?

In the Megane Danshi Kurabu:

1) Maruhi Megane Danshi Kurabu
Shirokane Academy photography club exists not only because of their love for taking pictures, but it is also a secret club for adoring glasses-wearing boys. Their usual work includes finding boys who look good with glasses and taking a picture of them for their club. The club is frowned upon the school's student council, but the girls persevere through various obstacles and continue to share their love and joy for glasses-wearing boys.

- Finger Scans

2) Moe Megane Danshi Kurabu
3) Mitsu Megane Danshi Kurabu

In front of Mochizuki, a normal high schooler, appears a wounded girl named Mayuki. Mochizuki takes her to his home and finds out that he has gotten himself involved with a war that goes far beyond any human comprehension. One after another, Mochizuki and Mayuki confront girls that bear an unfortunate destiny, to fight to the death. Mayuki and Mochizuki are left with no option left but to fight.... Here, a new storyline is unveiled!

Set in a future where humans are not the only beings, there are tensions between two races (humans and demihumans). Humans of an age before created these demihumans as slaves to their society. But then a war broke out and demihumans were freed from their enslavement though still restricted to lead lowly lives.

Canon Passacagilia is an officer of the East Side's Police Bureau's Special Second Division who are in charge of dealing with crimes related to demihumans. She patrols this city's streets helping all she can.

Nonoshima can see fairies, spirits and ghosts. He's quite eager to share these experiences with his best friend, and said friend is equally eager to comply...but what are the true reasons behind his being so accommodating towards the eccentric "Nono"?

Fuji Azuma is thrilled to have the chance to spend two whole weeks with his adorable 8-years-younger nephew Taira, head over heels for the kid and the proudest uncle there ever was. But when he learns at the end of their time together that Taira and his mother are moving overseas, he's shocked to receive a parting kiss and a vow that Taira won't return "until I'm taller than you, Azuma-san." Four years later...and Taira's back to make good on his promise.

A Ramen shop run by three sisters that's about to go out of business. Can Tonko's childhood friend Shiina save the Ramen Shop?

From Lezhin:
The World's Greatest Storyteller telling his story in the most terrifying situation. What is his story? What is his motive?

From Chibi Manga:

Ao moved from Tokyo to the country. She's not used to rural life, and leads a boring school life.
She's collapsed often from a headache, and each day is filled with troublesome things...
Then there is Araya-sensei, who encourages Ao's true intentions. After meeting sensei, slowly she is fitting in. But even so, do you know that Ao's mind withering away?

Have you ever been afraid of masks? Well, one's nightmare is about the happen in this short oneshot!

Shamisen is a traditional Japanese musical instrument that looks similar to a guitar. Teenager Sawamura Setsu's grandfather who raised him and his older brother Wakana, recently passed away. His grandfather was one of the greatest Shamisen players and the two siblings grew up listening to him play and learning to play the instrument. Since the grandfather's death, Setsu dropped out of high school, moved to Tokyo and has been drifting, not knowing what to do besides play his Shamisen. That's when his successful and rich mother, Umeko storms into his life and tries to shape Setsu up.
She enrolls him back into high school but little does Setsu know that he is about to rediscover his passion for Shamisen.

Note: Was nominated for the 4th Manga Taisho Award in 2011. Won the Kodansha Manga Award for Shounen in 2012.

Nishino Fuuka, an ordinary girl, finds her classmate, who's always dozing off in class, sleeping. She tries to wake him up, and succeeds. He asks her to come with him. She does, and discovers that he's the famous 'high school photographer'. What will happen next?

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?

Marriage Royale's story revolves around the male protagonist, a high school student named Tsukasa Hinomoto, who is told one day by his parents that he was adopted. Furthermore, they tell him that his real father is a manager of a large company, meaning he is very rich and holds a lot of power.

Tsukasa's real father wants his son to marry a good woman, so he sets up an event known as Marriage Royale. Beautiful girls from all over Japan will come together at a school built especially for this event and vie to become Tsukasa's fiancé.

The school is located on an isolated island near Japan, and Tsukasa himself is taken there to live in a mansion in the care of two twin maids: Miku, the elder sister, and Miu, the younger.

Doujin work of Aoki Ume. Sketches of her favorite anime and a short story about two girls.

After a long and treacherous journey, our Hero finally arrives at the Overlord’s castle only to find himself being asked for help. The Hero explains how the war that the demons have brought upon the humans have killed thousands and put more in misery. The Overlord however argues that this war has made the human society band together as one and showed empirical evidence how it has increased population, increased production, boosted economy and improved society overall. Furthermore, she explains to the Hero that ending this war will result in a civil war that will produce more bloodshed than there ever was.

The Hero, convinced that the only way to bring peace, relatively speaking, is to join forces with the Overlord, agrees to help with her plans!

Andou is a high schooler who possesses the ability to force others to vocalize his thoughts - an ability similar to ventriloquism. Inukai is young man shrouded in mystery who commands the vigilante group, Grass Hopper, which appeared in a city shaken by the downtown restoration program. This is a tale of courage, resolution… and confrontation; this is a depiction of the two boys’ encounter."Even if it’s nonsense, if you believe in yourself and face things head on, the world will change."This was dropped by Endless Abyss.Though it has 10 volumes (Completed) in Japan.