Forty-five years ago, a strange mutation caused people within the futuristic city of Stern Bild to gain superpowers. These people came to be known as “NEXT (Noted Entities with eXtraordinary Talents).” While some used their powers for evil, others took up the title of hero and began working for sponsor companies and being broadcast on “Hero TV”.

Heroes rack up points for every valiant deed that they do -- but impulsive Kotetsu T. Kaburagi, a veteran hero known as “Wild Tiger,” is falling behind in the rankings. As a result, he’s forced to partner with the intellectual amateur Barnaby Brooks Jr., aka “Bunny”. With the clash in their personality and philosophies, will the unlikely duo be able to get some actual crime-fighting done…!?

The protagonist finds himself adrift on an uninhabited island, where a mysterious family appears before him.

Hikari Kohinata is a cheerful 15 year-old girl who lives near the ocean and she spends much of her time diving as a result. On her first day of high school, she meets a teacher who also likes scuba diving. There's also a 16 year-old classmate, Futaba Ooki, who gets dragged along in Hikari's maelstrom as soon as they meet at school.

From MangaHelpers:
This is the story of a pair of step-siblings who are now living alone together. The high-school-age older sister, Kyoko, is pretty wild (and is even into pro-wrestling), while the elementary-school-age little brother is a fairly serious kid. He is often embarrassed by her teasing. The two of them pass their daily life together, every day cooking for one another.

Intelligent and beautiful female high schooler Reika Sawatari and handsome and astute male high schooler Subaru Emura, both of whom with a certain fetish that nobody knows, have started their relationship after a certain event.

Yu Ni, a man with a few screws loose, bought a husky and embarked on a journey of killing monsters in mainland China, in order to find and retrieve his own perception and abilities. The talented great chef, beautiful young lady, Wuzai incidentally tasted monster's meat and was greatly amazed at it afterward. She was determined to create a cookbook heirloom based on monsters. Then, the group went on the incredible killing monsters and making culinary adventures together!

“Could you become my daughter?”

Thanks to the Grand Duke Friedrich’s proposition, Elena became his fake daughter. Yet after marrying the Crown Prince, having his child, and acquiring land to oversee herself, the 'late' Duke's daughter, Lady Veronica, appeared before her.

All along, she had been nothing but a mere puppet for the real thing. Elena's son is thus taken from her, and she is murdered.

In a twist of events however, she ends up returning to the past.

"I will crush each and every one of you."

I will never live the life of a puppet again.

And so begins Elena's second life, swearing vengeance on her enemies.

Somehow, before the appearance of the female lead, I became the male lead’s temporary wife. Since things had already turned out this way, I decided to try my very best. However…

“It’s so fortunate that someone like you became Cedric’s partner.”
“…I’ll admit it. It’s a fortune that you were the one to become his wife, Dylan.”
“It’s such a fortunate chance that you were the one to become the Lady of the Brighton House.”

…I think I did too much of a good job.

When Cedric’s destined partner arrives, I will have to leave. What should I do? To someone like that, Cedric had said this.

“Would you have ever thought that the one I would fall in love with would be you?”

…Would you still say the same to me after the real female lead, Adeline, makes her appearance?

An anthology by various mangaka based on Bandai Namco Entertainment's RPG Tales of Berseria.

Ye Ming, the rising star of Family Ye is regarded as a genius among his peer cultivators. But he was schemed by his jealous cousin and the latter cut his meridians, crippled his abilities and hamstrung him ruthlessly. But Ye Ming never gives up because he'd sacrifice everything for take revenge for his deceased parents who were murdered by Family Huang. But he doesn't know that he is considered a pain in the neck to Family Ye and a big conspiracy is looming out of the darkness...

Onani means masturbation. And that's what this guy is good at. Every day after school, he sneaks into the mostly unused girls bathroom on the 3rd floor, and masturbates. Until one day, when he's caught by a bullied girl with a hidden agenda.
This is a story of mistakes, redemption, and the choices made in between. It contains the worst and best of the human condition.

Unable to handle her huge debts, office worker Ki Myo Hee decides to commit suicide by jumping off the roof of a commercial building. Just then, a Grim Reaper appears in front of her and tells her to try living for 100 more days?!

When she opens her eyes, she finds out that the life she has regained is not of a human's but that of a cat's?

From Echochi Scans:

Two families are tied together by a curse. Every 100 years, one person from each family must share the same fate for exactly one year. The pair will be subjected to 12 misfortunes where one will get hurt while the other must sustain their injuries in return.

When Kagura Ikumi was 7, his parents died in an accident. Since then, he has been living an ordinary life. Until the day of his 17th birthday where he meets a mysterious transfer student, Ichijyou Chihaya. However, this fateful encounter between them is only the start of their intertwined fate. For the next year, the two of them will be forced to face 12 misfortunes on the 13th of every month, a curse that has never left any previous pair alive.

Haruma Sakuraba's childhood friend Shuuji Inukai was a cut above him in every way imaginable, living out the glamorous life bestowed upon him. Haruma, an unassuming salary man, has lived his every day clutching onto his inferiority complex, existing only in Shuuji's shadow. One day, Haruma coincidentally met Shuuji's wife, Reika Sumi, who Haruma had always secretly admired since his high school days. With feelings of envy, jealousy, and more, a "secret" is born from Haruma's repetitive days.

Echizen, a game developer known to make the hardest of games to the point that they were near impossible to complete, earned himself the title of the "God Trapper". However, he quits the company when he isn't allowed to do what he's best at: Building traps. His destiny then takes another sudden turn when he is transported to another world which most would describe with the word „hell". He meets the Demon king's daughter and manages to obtain her power, turning him into a true „God Trapper". From there his journey in this new world, he perceives as heaven, begins.

A clumsy, but cheerful girl and her boyfriend (a cat?!)

http://comic-polaris.jp/odette/

Money. Power. Fame. Everyone has something they want, and Rin the match peddler is here to offer you your wildest dreams on a silver platter. All you have to do to get everything you've ever wanted is light a match, but be careful; play with fire, and you might get burned.

Yamamura Sakura is an ordinary human girl that has recently transferred to a new school, but there's a twist! She has been placed in the "Aijin" class, Aijins being supernatural beings and demihumans! In her desperation to fit in in and to prove herself to her demihuman classmates, she tells a "small lie": That she's actually a succubus...and so begin her hectic High School days in a desperate attempt to fit in and hide this small lie!

Hayato is a young deity with a foul mouth who has always heard legends about Demons that were sealed away about 800 years ago. Follow the epic saga of several young deities, who end up having to fight demons, humans and overcome several challanges.

A remake of a web manga of the same name with new art by Cool-Kyou Shinja.

A strange relationship began when oprhan siblings meet a old woman who claimed to be their grandmother, but this old woman is the superior master of moorim, who has lost her memory loss due to a disease, the woman recognized the hidden talent of the eldest sibling and started to train him, thus began the journey of last disciple of Jinmu shin-mo. The boy is destined to reach the end of sky.