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.

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

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

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!

I noticed that I am a weed in the forest, but for some reason, I can think and have an ego. Besides, there is also strange knowledge. I have no choice but to live for the time being, even though I feel something is wrong with the status screen and level as a game. I don’t think I was originally a human being, but I don’t remember much about it.

Aside from that, the light is delicious. When I thought that photosynthesis was good, I met a high elf girl who could hear the voice of plants. It’s great to be able to talk. For the time being, while giving fruits, I was pulled out by a girl and went to the elf village. I’m being carefully raised, yeah? Somehow it smells like spring.

Apparently, the elves are a persecuted and exiled race. However, because it looks good, there are some undeliverable people who aim them as slaves. A weed that already lived with elves like their families struggles to protect everyone. Evolve!

This is a story of a kind-hearted weed that protects an elf, or a “world tree” that will eventually lead many.

Rokudou is a loser, and everyone knows it. He gets picked on at school, gets snide looks from passersby, and can only muster up the courage to complain in secret with his equally hapless friends. Looking to turn his life around, he desperately uses an ancestral artifact passed down in his family for generations: a scroll that is capable of subduing all demons. However, in the modern age it has a different effect - it makes all bad girls fall in love with him.

Misuzu, a female college student who loves herbs, noticed one day in a lush forest. What a different world where magical power and monsters exist! It was the hunter Alex who helped her when she was about to be attacked by a monster. Misuzu offers to treat his injury in gratitude. When a compress is applied using herbs, his arm, which had been stuck due to a curse, immediately moves …!? A reincarnation fantasy that heals a different world with the magic of herbs given by the goddess, the long-awaited comicalization!

Yuuma, a timid college student who has been summoned to a different world. It was thought that a fun life in a different world would begin with the cheating ability given to you, but what was waiting for him was cold-hearted and cruel treatment. His body is chopped up, fear and severe pain run throughout his whole body, and it is a living hell that never ends. “Why did this happen to me…” Aside from Yuuma’s heartbreaking cry, the blessing of “immortality” continues to regenerate his body. Yuuma was made into an experimental animal of researchers who were fascinated by the possibility, but he meets a pretty girl by chance in the facility, after meeting Eva, his life in a different world begins to change greatly!

24-year-old Mitsuki is a proper, yet cute company worker who has dated plenty of guys.
However, when her boyfriends pat her on the head, caress her cheeks, and say heart-racing lines, she ends up shuddering at these heart-pounding actions instead…!
Unable to enjoy the “ordinary happinesses of women” and unable to date anyone for long, Mitsuki reached the age of 24…

“This next relationship will be the end of that!” Declaring as much, Mitsuki started going out with her current boyfriend, the handsome 28-year-old elite company worker, Shinomiya.　

Encountering this perfect young man, however, awakened Mitsuki’s previously hidden nature…

Princess Michiru is in love with her private tutor, Sakaki. This is the romcom between the two's every day life.

An exterminator dies and finds himself in a fantasy world, without any skill with the sword or wand he carries on doing what he knows best.

Legend says --

There was a white dragon living in River Long En, preventing floods, falling rain. People worshipped him as the River Lord. By coincidence, he found out the annual festival celebrating the river god had been abandoned for years, angered, the River Lord Huan Yi swore that the Long En town will never see another drop of rain.

What appeared in the pond of the river god palace, however, was something he did not expect...

(Rough translation from Chinese summary, not entirely accurate.)

Accidentally summoned by an ancient map, first year high school student, Kiyokawa Hiroto is forced by the arrogant Lord of the castle to exterminate the vampire that has been haunting his castle. Unexpectedly befriending a girl from Mummy tribe, Hiroto skillfully managed to capture the Vampire with her help. However, he is soon framed by the Lord of the castle. Bravely and kindly aiming to be a Lord, the fantasy of summoned to another world starts!

Our ancestors one day met each other and on a whim fell in love, mankind's first emotion. A Prehistoric Love comedy Begins!

*Oneshot originally released as a two-parts one shot in Shounen Sunday S

"I'll give you a chance. A chance to be forgiven." The father sold his daughter. And the daughter returned from Hell. In an empire with a diversity of the living and the dead, the young Rena Rubel was destined to die as a sacrifice for her father. But six years later, the girl who everyone thought had died, came back to life. Taking off the mask of a little lamb, and becoming a lion.

When her mom goes missing, three-year-old Lotilucia stumbles on a magic crest that transports her to the estate of House Frodium, one of the empire’s most powerful noble families. Little Lottie immediately recognizes Duke Damian Frodium as her dad; he is the so-called “Monster Duke” of demon descent. Once taken into the house, Lottie does her best to stay out of his way. But then she stumbles on a magic book that shows her a story about Duke Frodium’s adopted daughter replacing his dead daughter named Lotilucia! Lottie is shocked but also emboldened by the prophetic tale. If she is meant to die anyway, she might as well be her cheeky self and do as she pleases! This new Lottie wins over her demon dad along with his staff, but will she manage to stay alive and thrive as the Monster Duke’s daughter?

Ashida Mamoru is a god-tier manga assistant but his habit of turning authors lazy has left him without a job. Luckily one of his classmates from university happens to have a little sister who is a serialised manga author in need of an assistant.

The path to becoming an immortal (cultivation) of a unparalleled girl with strange powers...... Although it's a shoujo manhua, there is no lack of fighting elements. With myself liking shounen manhua content, neither romance nor adventure is neglected. A round of applause please for the handsome guys and beautiful girls that are about to appear!

Veyron City—a mega-floating metropolis created from the discovery of new energy sources.

Shuu, a young man who owns and operates a small business in the area, leads a meager life due to his reckless spending. Kisara, a girl who visits Shuu's office and home because she is constantly concerned about him. She works while attending high school in Veyron City, doing everything from clerical work to housework. Ayano, Shuu's ex-girlfriend and a senior colleague at the corporation he had previously worked for, is also worried about him.

Thus begins the slapstick romantic comedy of three people in a slightly unusual relationship that takes place on an artificial island in the Pacific Ocean.