seinen

Sprite

Yoshiko is a hardworking high-school student whose free time is almost entirely taken up by attempts to help out a hikikomori childhood friend and an odd, reclusive uncle. While on a visit to her uncle's penthouse with two of her friends, Yoshiko notices a black substance that resembles snow beginning to fall from the sky -- but her friends see nothing. Soon afterwards, a massive earthquake shakes the city, and Yoshiko, her friends, her uncle and his dog, all find themselves trapped in a strange world they do not recognize...with an assortment of weird people to keep them company.

Do It One More Time

This is about how a couple who was having lots of troubles and fights suddenly wakes up to the day that they first met in college. They can choose to not marry each other again, but every decision that they make will change the future.

Dendrobates

Sengawa's day job is as an accountant working for the police. But at night... he transforms into a ruthless assassin bringing death to anyone who deserves it. Meet and hire the man with 1000 guns.";

Come Come Vanilla

Regular high school boy Kaji Rikuo’s life is suddenly interrupted by a cute girl with cat ears named Vanilla. According to Vanilla, she was created from different mixtures of animals sort of like a chimera by her master, Ibu Kiriko, whom apparently has it out for Rikuo. Confused as to why somebody would want revenge on him, Rikuo become friends with the clueless and cute Vanilla. However, Vanilla can turn into a vicious animal able to hurt Rikuo with a simple command from Kiriko...";

Anima Cal Livs

There is a competition for those who possess the spirit weapons. Only someone with one of these weapons can defeat another. Enter our protagonist, a clumsy flower girl who one day embarrasses a weapon master.";

The Red Soul

In a time when gods ruled with cruelty, no one dared to oppose them... A girl was offered to the wind god as a sacrifice. A tribe leader sets off on a journey of redemption while trying to save the girl and make her his wife. Kiron, while defying the gods will, departs for a difficult journey. Will he be successful? And what kind of obstacles will the gods throw at him?";

Let's Lagoon

Yamada is stranded on an island without any ships passing by who isn't sure why he's there because he can't really recall, so after finding his sports bag, he assumes he was on a school trip. With only 7 days of food, he eventually decides to make a boat to leave the island. He thought he was alone on the island until a girl named Imaise Chika was found eating his food, where they then decide to continue making a boat.

Shamo

At the age of sixteen Ryo Narushima was a genius and looked to have no trouble of getting into Tokyo University and joining the elite of society. However, that summer something cracked inside Ryo's head. With a small knife he brutally murdered both of his parents only leaving his sister alive and cowering in a corner. It is at this grotesque incident that our story begins. Extra Note: At volume 20, the series changed publishers, which created a restart of the chapter numbers.

Sun-ken Rock

The storyline revolves around Ken (the chief protagonist), a guy from an upper class family that was orphaned young because of his family's engagement with all the Yakuza; he became a highschool delinquent known for fighting. The thing that moves actions to be taken by him is through his amorous fondness Yumi, to get a classmate. At the first, the gang did not even have a foundation and solely consisted of few members. As the narrative advances The Sun ken Rock gang becomes larger as new members were recruited by them and take over other gangs' territories and investments.

Tough

This is a mixed martial arts fighting manga about the Miyazawa school of martial arts. Initially, it is about Kiichi trying to heal his father after he was nearly killed by his brother Kiryu. But then it goes on to be less about that as his father recovers and some tournament style fighting begins. At that point various apparently overwhelming opponents will encounter Kiichi on his way to the top. The objectives of the various characters start to play a more and more important role, as well as the different philosophical projections of several martial arts and disciplines.

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