Like in the famous Osamu Dazai's book "No Longer Human"/ "Disqualified From Being Human" (Ningen Shikkaku) , the protagonist of this story attempts a double suicide with his lover... except he gets hit by a truck and summoned to another world instead.
Now he wants to find his lover, so he can commit suicide with her.

Harold is the descendant of the hero who defeated the evil demon king. In this peaceful era, Harold has become a convenient handyman for the townsfolk.

One day, a sacred book predicting the world's destruction is discovered. The condition to avert this catastrophe is... "you must complete the 'Newlyweds Quest' with the demon king's daughter." Thus begins Harold's unexpected married life with Yona, the demon king's daughter.

While Harold still feels bewildered by all this, not only can Yona perfectly handle the household chores, she sweetly pampers him when he's tired. However, she harbors a secret...

Class queen Manami Fuwa has been gaining weight lately.

To make matters worse, a rival girl is taunting her in class, calling her a "muscle ball with money".

When Taichi Utsuki can't contain his thoughts about her weight, he's forced to accompany Fuwa on her diet!

A romantic comedy of dieting with a violent, irrational, selfish girl with no sense of emotional distance begins.

Hinowa Tomari is a normal high schooler, until one day he's told that he has to become the wife of a mysterious creature called Kanenogi.

This is the start of their newly married life.

The manga follows the adventures of a young office lady who is also a fujoshi. With the arrival of two new colleagues: Hongou (32), a mature man whose face doesn't show any emotion, and Daichi (25), a bright young man full of life; it's hard for her not to imagine these two in torrid situations...

From a young age, Minami Harusumi has had recurring dreams of Veronica, a princess whose kingdom is on the verge of destruction. He believes them to be recollections of his past life, and that he is her reincarnation. Because of this, he is ridiculed by his classmates. One day, when the mockery escalates into bullying, he rediscovers magic - something Veronica had studied and used. Reassured his past life is not merely a fantasy, Minami tries to learn more about his past memories and the reason behind them...

Ko likes girls. Including his childhood friend from next door Mana, who treats him like a brother. She's popular with the boys because of her physical development... or not! The beginning of a sanctuary of fetishism as Ko conquers the uniformed girl!

Akito Shirasawa, a high school boy whose father is a film director, sees something in the library preparation room. It was the "masturbation scene" of his classmate, Natsuho Honjo. Akito is puzzled, but ends up filming it with his smartphone. Natsuho notices Akito, and in the men's restroom, makes a "proposal" to Akito! Exposed high school girl and movie boy. The "exposed love" of twisted adolescence, begins!

Mangaka's Twitter: https://twitter.com/UMA_raclette

Tatari is a lone stray cat. He is taken care of by his siblings Takeru and Yuki. In a ramshackle apartment, they lived a poor but happy life. Until that day.

Satoru Takeichi, also known as Ichigo, works at a sawmill.

While working, he got into a mechanical problem and ended up having the first joint of his right little finger amputated. He and other employees searched for the cut off part, but couldn't find it.

Ichigo goes straight to the hospital and receives treatment. However, when he returned to his apartment after being hospitalized for a few days, he found another version of him...

From there, a strange shared life with another [Himself] begins...

Adaptation of a web novel serialized on the platform peep.

Amano, who returned to the city where he lived as a child for the first time in 10 years, meet Yukio Sawatari, a childhood friend on the first day of transfer, when he (a male friend) turned female! Although she shares her joy, as she suddenly turns into a girl and cannot hide her embarrassment. Yukio was affected by an illness like 100,000 other people, suddenly becoming a girl so-called " spontaneous isomerism metamorphosis ''!

The female childhood friend ♂ is cute and in trouble!? Forbidden TSF (transsexual) Love!

Scammer Seiichi Sagino's mission this time is to stop Ren Karasuma, a police officer with a sharper sense of crime. At the beginning of their encounter, Sagino is told that he smells like a criminal. Will this action lead to unexpected developments...?

A middle-aged detective, Eiji Kirisame (40), meets a strange high school girl at the scene of a certain crime. She doesn't speak a word, but she helps solve the case using her drawings. However, suddenly this middle-aged detective is getting a marriage proposal from this girl!

She has the looks of a model that stands out from the crowd, and on top of that, she has a great personality, too. Daily life with such a sister must seem quite strange to other people.......? This is a romantic comedy about a boy who will "definitely" get together with a cute little sister in the end!

(Source: ComicWalker, translated)

One young salaryman, who adores his plug-in, hybrid car that uses both electricity and gasoline, had been using camping in it as an escape plan from everyday life. Suddenly, he finds himself transported to another world with his car!

He'll start his life anew in this different world!

Yokoi Taku has trouble getting along with people, so he moved to Tokyo as soon as he graduated from high school. He now lives alone, making a living by delivering newspapers and drawing doujinshi, though people totally ignore his non-erotic works. One day, a girl named Saitou Megumi suddenly shows up at his door, claiming that she came all the way from Tottori to meet him because she's a big fan of one of his doujinshi. It ends up that she has faced many hardships herself, and with no intention of leaving, she ends up living with him.

Seinen sports series, serialized on Big Comic Spirits. Nominated for the 2017 Manga Taisho Award.

Leon was reincarnated in the world of an otome game that he was forced by his sister to conquer just before his death. He tried to live a peaceful life as a mob character, but he encountered a scene where a female student ignored the flow of the story and tried to become the main character. Leon ended up seizing Marie, a girl who had a similar atmosphere to his sister from his previous life, and succeeded in thwarting the scheme. It should have have been the right choice... but why was he feeling uneasy about it?

From Chibi Manga:

If that time, I choose a different path, maybe this love will end in a different way. if i can go back to that time, what will you do...?

Kyoto has become a place where humans and monsters have chosen to coexist, and Chimi-Mouryo has become rampant. Saki, a succubus who attends a school in Kyoto that has turned into a magical land, uses her beauty and abilities to become the school's princess!!

Even such a reckless girl had a natural enemy. His name is Ashiya Yuu! A tough-looking man who won't fall for only himself and is loved by other demi-humans!!!

Saki, who calls herself the queen, can't stand this sight, so she tries to bring down Ashiya faster than the other demi-humans, but...!!?