Spin-off of I Am a Hero, a love story. Kozue is about to break up with Ta-cchan while he plans to propose to her, right at that moment, the zombie apocalypse crushes down on Osaka. Now they have to find ways through the deadly chaos to each other.

I love math. Just after the high school entrance ceremony, I meet a beautiful girl: Milka. Milka is a mathematical genius. She gives me many math problems, she shows me many elegant solutions. Milka and I spend a long time by discussing math in the school library.

One year later, I meet another mathematical girl: Tetra. Tetra is one year younger than me, and asks me to teach her math. While I teach her, she begins to understand math and to love its elegance gradually.

The second series is about Pythagoras Theorem, Elementary Number Theory, Group, Ring, Field, and Fermat's Last Theorem.

Fujisawa Kenji is a troubled 17 year old with who was born in Yubari, Hokkaido. He rebelliously seeks to become a mob member for reasons kept in the dark. After dropping out of school, Kenji goes to his local Kumicho, who tells him to learn the trade from an elite yakuza named Kujo Eiji.

From: Easy Going Scans

Mu-Sang’s has a quest... He must find and kill every “Gwi” that has ever existed. He is determined and won’t let anything get in his way, not even the imperial army!
While traveling and searching for the remnants of Gwi, he meets a girl who also bears the same mark crossed out than he has. A fateful encounter? Were those two fated to meet? And why does he hold such a grudge against the “Gwi”? ...are all questions left to be answered!

A young witch tries her very, very best to take care of her first planet.

Rally Vincent and Minnie-May Hopkins are two regular American girls. Regular American girls who own a gun shop and might have dabbled in prostitution, respectively. And who happen to be a crack shot and an explosives expert, respectively.

These might be odd skills for American girls, but these two happen to be Chicago's top bounty hunters. Rally can shoot the trigger off a gun from a good distance, and May generally wreaks havoc with explosions and cuteness. And together, with some very useful friends and associates, they make up the Gunsmith Cats.

Burst finds our ladies back at work, back in action, and... back in trouble.

"There are men who, on coming to places that women find unlivable, are all the more determined to find there a reason for living. These men epitomize grandeur."
Welcome to Gun Frontier.

From Overload Scans:

Washizu Miri, a second year high school student, is a small 148cm(less than 5 feet)-tall girl who has acquired a reputation for being violent and dangerous. This collection of short manga (generally 2 per page) chronicles the fun daily life of Miri and her friends at school, Natsumi and Utako.

A girl falls into a coma and finds herself at an unusual "convenience store" managed by a talking dog. In the land where dreams are made, suspended somewhere between life and death, she watches and learns from the various souls she encounters.

A story focusing on a group of college friends, and their lives. Each chapter focuses on a different friend, and their relationships with various other characters.

The prequel to Otokojuku focusing on the early life of Edajima Heihachi, principal of Otokojuku. Ran for 10 volumes in Super Jump from 2003 to 2010. The story covers his university days, his war efforts, and much more about this mysterious man among men

The probably most controversial manga of the year 2015 that has had Leftists foaming at the mouth trying to shut it down: The middle schooler Kanade gets dragged into a political demonstration by her conspiratard childhood friend Sou and discovers that not all is as it seems to be. 

Middle-aged salaryman Hiroshi Nakahara accidentally takes a train ride back to his old hometown to visit his mother’s grave. Then for reasons he can’t explain, Hiroshi is transported back in time, and discovers that he’s an 8th grader again, but with all of his adult memories intact.

Can he, or should he try to change the decisions he made before? But more importantly, can he find his way back to the present day, or is he stuck in the past?

The probably most controversial manga of the year 2015 that has had Leftists foaming at the mouth trying to shut it down:The middle schooler Kanade gets dragged into a political demonstration by her conspiratard childhood friend Sou and discovers that not all is as it seems to be.

N/A

"The stars that don't shine in Tokyo surely do shine in a different town..."

TSUTSUMI Koutarou, who couldn't be a senior at a college-oriented high school in Tokyo, moves into Himi City, Toyama Prefecture with his relatives and spends one school year there.

"I wouldn't be able to shine for the rest of my life..."

He's hurt, and depressed.
However, his encounter with a girl named Nagisa changes his "tomorrow" little by little.

Now, HARA Hidenori begins "the sweetest 'starting-over' love story in the world"...

Suzuhara Kokoro and his blind little sister Yume find that all is not as it seems as they learn more from the other kids and see the actions of their teachers after being sent to live on a near-deserted island.

The gag comedy is set in a school nurse's office (hokenshitsu). A strange nurse deals with the unique issues of the female student body, such as a self-absorbed eye-patch-wearing girl, a character with frequent nosebleeds, a shy but well-endowed girl, and others.