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 MangaHelpers:
Nogawa Izumi is a good student, and a class representative, but she has an increasingly high libido. It's gotten to the point that she'll claim to feel bad during class, so she can run to the nurse's office and masturbate. When she learns that the Earth is being invaded by aliens that look like people dressed up as animals, it turns out her high sex drive may be able to help protect the Earth. The first time Izumi is attacked by the aliens, she is rescued by Usayama, a bunny alien whose race was their previous victim. Usayama gives her a swimsuit that will allow her to fight the aliens, but which also sends her constant arousal through the roof. The scientific organization that Usayama is affiliated with think that Izumi, with her high erotic level, may be the person they've been looking for to fight the aliens. Will Izumi be able to save the Earth?

From Viz:
In the 21st century, just when the human race needs new heroes, the Lucifer Hawks enter Earth's dimension. The members of the A.M.P., six young women with incredible powers, are set to defend the human race against these monstrous entities from another world.

Park Sooho returned to Earth after disappearing to another world for a thousand years. During that time, Earth had changed into a world of the survival of the fittest thanks to the appearance of monsters. Druid, the king of the animals, who had managed to survive for a thousand years is now off to conquer the world.

Humanity’s home is no longer Earth. Intersellar travel is now a common occurence, and technology has replaced blood and flesh.

Luka, who grew up in the slums, has turned fifteen and taken the selection exams. His aptitude is of the Imperial Guard.

"Yukio... I'm going to make a friend." A shy boy named Tetsuo. The only thing he had was a giant robot named Yukio. They became "saviors" in the fight against the galactic monsters coming from outer space. After the final battle, Tetsuo returns to Earth for the first time in ten years and witnesses an astonishing world. It's a frozen Earth (named Snowball Earth), where the entire land is covered in snow and ice, being turned into a deadly world! What happened to the human race? And will Tetsuo be able to fulfill the promise he made to Yukio?

There exists a secret organization that has members traveling across time to save people from their wrongful deaths. Namihira Bon accidentally learn about the Time Patrol, and is recruited as an apprentice member. Together with Rim, the patrol in charge of mentoring him , Bon goes to various historical periods to rescue innocent people, trying not to alter history in the process.

After being held in disdain and having his life put in danger, an orphan from the Demonic Cult, Cheon Yeo-Woon, has an unexpected visit from his descendant from the future who inserts a nano machine into Cheon Yeo-Woon's body, which drastically changes Cheon Yeo-Woon's life after its activation. The story of Cheon Yeo-Woon's journey of bypassing the Demonic Cult and rising to become the best martial artist has just begun.

The story is set in a world where supernatural powers exist through science, and magic exists through religion.

In the story, Touma Kamijou is an ordinary high school boy with terrible academic scores and a power called Imagine Breaker. Imagine Breaker can defeat any other power, but it also undermines Kamijou's own good luck. His Imagine Breaker's immense strength is literally immeasurable, so hapless Kamijou is listed at the supernatural level of 0. He happens to meet a girl in white hanging off his window balcony. The girl says she is being chased by sorcerers, and Kamijou learns that the girl is a Church of England nun whose memories have been forcibly replaced by Index-Librorum-Prohibitorum — the 103,000 forbidden texts of the Church.

In the near future where Android (A.I) becomes common among humans, a virus outbreak suddenly occurred, turning over 70% humanity into zombie-like "Creatures." The A.I soon break away from their infected owners since they're not programmed to recognize "Creatures" as humans, but one of them, the housekeeper Hasty, acted otherwise when her infected young master, Neville's final words struck something in her. Sticking with him after all other humans have been infected in the area they're living in, Hasty vows to do whatever it takes to cure master Neville, even if she has to fight against the whole world who's now looking to exterminate all Creatures to cut off the infection source completely.

At the Yotsuba New Year's gathering, Miyuki was names as the successor whilst Tatsuya was named her fiancé. Tatsuya and Miyuki's non-sibling relationship and engagement are now public knowledge. Among the shocked students the most shocked are those that knew the siblings.
Meanwhile, the Ten Master Clans selection meeting, followed by magicians all over the world, is due to take place at a hotel in Hokone.

Adaptation of the original novel's volumes 17-19.

Uchida is a high school student genius who created a device that is supposed to make people have good dreams but he always had bad dreams when he tried it on himself. One day, he caught the school doctor sleeping at the clinic and decided to try the device on her. It turned out that it works surprisingly well on her and that she wanted to buy the device from him. He then tries it on his classmates and it became quite popular with the rest of the class as people start lining up to borrow it. Meanwhile, there is growing concern that users of the device are starting to have difficulties differentiating dreams from reality.

The comic adaption of the super popular novel from syosetu ni narou.

Hizutome Rakurou loves shitty games. His next challenge is Shangri-la Frontier, the god-tier game with a total playerbase of 30,000,000. Gathering comrades (scum) in an expansive world and meeting with old enemies along the way, he will change the fate of every player.

Liam Sera Banfield is a reincarnator.

He was reincarnated into a fantasy universe of swords and magic, but at a time that civilization was already making advancements into outer space. The setting takes place in an intergalactic empire, a space opera-like universe where humanoid weapons and spaceships do battle. Liam, who had incarnated into an aristocratic family in a monarchic society, has the ambition to one day become an evil lord. In his previous life, Liam had unfortunately lost everything and died in despair.

"It’s foolish to live for others. I will live for myself."

Holding those feelings in his chest, he starts towards his second life, but is instead worshipped as a virtuous ruler from his difference in values. Will Liam be able to safely become an evil lord?

Due to the Gear Expansion, witches who had been friends with the people become unnecessary. Humans, who were afraid of unscientific powers, begin a witch hunt… And a human boy who has his beloved witch killed becomes the “Wizard of vengeance”.

The manga's story begins when a peasant named Hanbē asks a girl named O-haru for her hand in marriage, but O-haru confesses that she is already thinking of another man named Masakichi from a neighboring village. When Hanbē seeks out Masakichi, he finds that Masakichi possesses a sword and the skills to use it, despite being a peasant.

Ensign Reccoa Londe has provided the AEUG with information regarding possible mobile suit development at the civilian colonies of Green Noa. Lieutenant Quattro (Char Aznable) with his wingmen Lieutenant JGs Apolly (Andy) and Roberto (Ricardo) head to the colony to investigate. On Green Noa 1, Kamille Bidan is rushing to the spaceport where the Temptation, a ship a former One Year War ace is on, is docking. He’s hoping to get an autograph from the famed Captain Bright Noa. As Bright explains that he’s on duty, Jerid and company interrupt the two. Jerid smacktalks Bright for receiving a two rank demotion upon refusing to join the Titans and grabs Kamille’s photo saying he should sign it as an elite member of the Federation. The two get into a scuffle and Kamille is hauled off for questioning. Matosh questions Kamille about being an AEUG insider but just then he’s freed after his story checks out. Just as the handcuffs come off, the Gundam MK-II crashes into the building…

"Please don’t touch the guy wearing glasses…"
Department head Kim, who quit his job as a special agent only for his daughter Minji and chose to be normal. Then one day, Minji disappeared silently, and Manager Kim began to find his daughter by turning the country that monitors him into the enemy.

Ken Takakura, a boy who is an occult fanatic who doesn't believe in ghosts, and Momo Ayase, a girl who doesn't believe in aliens, encounter overwhelming strangeness that transcends their mutual understanding...! An occult coming-of-age story!

The story starts with Sanda, a second year middle school student, getting attacked with a kitchen knife by his classmate Fuyumura.
While Sanda couldn't make sense of the situation at first, he gradually came to believe that Fuyumura's actions were just mean acts
stemming off from the latter having a peculiar puberty phase.

But that is all a misunderstanding. Fuyumura actually suspects that Sanda is the descendant of a certain lineage…