Lately, there’s been a cute black cat that lingers in front of Kouta Kawamura’s door. But one day, he comes home to see that the cat is no longer around, but a pretty boy dressed in black is there instead. Curious and captivated by his face, Kawamura decides to let the boy into his house.

The boy has no name, but he seems to care about Kawamura deeply. In return for letting him inside and taking care of him, he decides to pay him back “with his body”. Unable to refuse, Kawamura ends up having sex with him, and decides to call him “Kuro”. This is the story of their unique cohabitation.

The Zero-Sum Original Anthology Series features themed oneshots from various mangaka that publish in Ichijinsha's Zero-Sum and Ward magazines. Volume 6 theme: special forces and teams.

1. Soraharo! She Came from the Sky by Mikawa Verno
2. Monarch Sacred by Seno Tatsune & Takamiya Aya
3. Villains by Amamiya Azusa
4. Team ♥ Funyapara by Yoneyama Setsuko
5. WR by Asahina Asato
6. Mushroom and Kappa by Magami Guriko
7. Frightening Eccentric by Sakamaki Yukisato
8. Talking Gap by Kisaragi Yoshinori
9. Hero Biography - Blazer 3 by Igarashi Ran
10. Vermilion by Tokitoh Kanade
11. Please, Mr Hero! by Usaki Hitomi
12. Shinobi Level 1 by Aotsuki Yuzu
13. ♥ 1st year ♥ Ninja by Saeki Yashiro
14. Rock x Rock Days by Mitsu Nanae
15. Twins Pocky by Serikawa Mame
16. Pledge of the Ox by Kayase Shiki
17. L x L by Shindou Arashi

Tsubasa is studying at music high school. somewhere in the darkness, meeting with him, changes her destiny?

In order to continue his high school education, Asaoka Miki separates from the person who raised him and returns to his parents' home. Since he has always been compared to his talented and social younger twin, Itsuki, he has a deep inferiority complex towards his twin brother. After meeting and falling in love with Takagi Kazuya, someone who is seven years older than him, Miki's world changed completely. Takagi's love and kindness melts Miki's stubborn heart, and not too long after, Miki's blind faith in Takagi intensifies. For Miki, that was his first once-in-a-lifetime love he's ever experienced.
However, the person Takagi's after isn't Miki, but the boy who harshly rejected him. With Miki, Itsuki's lookalike and replacement, in his hands, will Takagi suddenly close in on Itsuki again....?

A love story between a piece of scum and a brave young man who are a few years apart.

Living carefree at home is the greatest shortcut—my house is the world’s greatest Magic Power Spot. That being the case, both my house and I were summoned to another world by some guys who were aiming for it. However, I’ve been living in this place for many years and my body is, apparently, abnormally overflowing with magic. Due to some unforeseen circumstances by those guys who summoned me, they quickly ran away. Be that as it may, there are still some ill-mannered people who covet the magic leaking out of my house. I won’t give up my house to those people! I’m going to wield my power as I please!

During his high school years, Keita was slender and had feminine features, but he fell in love with Satoshi, an upperclassman who had the lean, masculine physique he dreamed of. Keita confessed and perhaps due to his beautiful, girly looks, they started going out. Three years later, their relationship is as strong as ever, and they currently live together like newlyweds. However, there was one big change...! Keita had matured into a manly guy! Because Satoshi used to be straight, Keita begins to wonder what his boyfriend thinks about the situation, even when they're having sex...

Welcome to the academy of Demons and Dungeons!

Kenzaki Ryuunosuke is a new editor for Weekly Shounen Magazine, but his love for an unpopular series gets him no love with his coworkers. He meets Takanashi Tsubasa, an aspiring mangaka, and seeks to prove himself by making her the number one manga artist in Japan.

A collection of after school love stories between two boys, including fun planning the school festival, growing childhood friendships, and more! Tender and sweet school BL starts here!

Inside a certain virtual reality game, you can be the head of a medieval army. What adventures and warfare await in this exciting game…!?

When I woke up, it was on the bed in the hospital. Three facts struck by high school student Ryuki Tachibana who can not remember anything. "I was sleeping for a year", "I was a figure skater who receives my expectations in Japan all over the world", "All memory about figure skating has been lost." Although it goes up again to the link, it is less than amateur who can not stand current ability either now. Still, Ryuki stood up and began to move forward. An indomitable silverbed youth drama opens the curtain.

Elven girl, "Aria" is an adventurer. A small beast with an adorable face embraces Aria's fruitful chest, she decides to keep it as a pet and names it "Tama". At first sight it's just an average cat, but Aria has yet to notice that Tama is a former Knight and that his identity is not a cat, but a young monster of the strongest class "Behemoth".

The amusement park planet of Granbell Kingdom has been abandoned for 100 years. Rebecca and her talking cat Happy are the first visitors in years, causing excitement among the robot inhabitants. However, Rebecca soon discovers that she’s not the only human in the park!

Shiki has lived on Granbell for most of his life after being taken in by the Demon King robot, who became his grandfather-figure. Now he does repairs for the robots in the park. But the robots then strangely turn against Shiki to force him to leave the planet with Rebecca in order to fulfill their promise to the Demon King, who knew Shiki was destined for greatness. With the ancient powers of Ether Gear, Shiki begins his journey into space, where dragons roam the stars!

Sequel to “Unbalance x2”. 25-year-old Nah Hae-Young is a high school teacher. She’s pretty popular and well-received by her students, but she has one huge secret… She’s actually in a relationship with one of her students, Myung Jin-Ho! This is her story of trying to navigate her life without allowing too many stirrups from her young lustful boyfriend!

When Suzuki Oji enrolled into high-school, he was hoping some kind of excitement would fall into his life -- but he never expected it to take the form of Kuromori Kisaki, a descendant from a 400-year-old clan of witches! However, Kuromori needs a special brooch in order to fly on her broom, something she lost when she landed on Suzuki after he had mistakenly thought she was falling to her death.

Although he initially thinks Kuromori is being unfairly difficult to socialize with due to her "witch" status, he finds and returns the brooch to her. Out of gratitude, she shows her magic to him through the use of her broom. Suzuki then questions the possibility of himself flying by also wearing the brooch, but right after Kuromori pins it to his coat, both of them suddenly find themselves several feet in the air before falling into the school's swimming pool! Just who or what is Suzuki...?

Gong Yoo-Il is an aspiring writer on the hunt for a job and a die-hard fan of the idol, Ryu-Min. Tak Moo-Yi is a top actor with legions of fans. Add a mysterious stalker, and chaos ensues. This is the story of a one-of-a-kind romance!

With the arrival of three chaebol members into general high schools, teachers and students will be transformed into " brain fighting " schools that seek power by surrendering to massive capital. Dan-geon, a genius, came to inherit the school's rules.

One day out of boredom, Tanaka decided to give her classmates nicknames based on their quirks. Her friend Sakuchi became “Ota” for her nerdy interests, and her other friend Saginomiya became “Robo” because of her expressionless personality. In retaliation, her friends decided to name Tanaka “Baka”. These are the ridiculous days of three high school friends claiming (or not) the height of their youth.

In order to find their teacher who had suddenly disappeared, Yotsuki and Kotowari went on a journey, visiting six of her friends as she instructed them to.

Blessed with the gift of magic, with the search as their goal, the girls' incident-filled fantasy story begins.

He awoke, and the world was changed. The familiar high school now teaches magic, encouraging students to become the greatest magicians they can be. Beyond the city limits, wandering magical beasts prey on humans.

An advanced scientific world changed into one with advanced magic. Yet, what has not changed was the same teacher who looks upon him with disdain, the same students who look upon him with contempt, the same father who struggles at the bottom rung of society, and the same innocent step sister who cannot walk.

However, Mo Fan discovered that while everyone else can only use one major element, he himself can use all magic!