When evil aliens arrive on Earth, seeking its destruction, it’s up to the planet’s kaiju monsters to save the day! But things aren’t exactly as you’d expect… These kaiju may be adorable young women, but they’re no less ready to kick some alien butt!

From AnimeCouncil²:
This story revolves around the life of Akira, a man who has been saving his money for over three years to finally obtain a computer. Unable to get the computer model he wants he is offered the same model from a shady man in an alley. What happens next is something that will change the life of Akira forever. For he didn’t look at the box closely enough to note that it isn’t Model 9821, it is actually Model 2198, a super advanced gynoid who’s sole purpose is to serve and protect her “master.”

Eishi Karasuma is a loner with a monotone life and his only friend is Mikisada Kamoda. One day they venture together while skipping class and they meet Tsubame, a very energetic girl, and Rei Sagisawa, a pretty boy that attends the same middle school. On their way back to school a sudden event happens. A mysterious boy with wings will come to help.

A symptom which causes one to physically regress till the point of disappearance. A pharmaceutical company which claims to be researching a cure and the cause for this syndrome. What are their motives? And what does a dragon slayer and even a handful of demons have in relation to all this?

The story is a continuation of the events depicted in the game Persona 4 Arena and begins the day after it concludes. The Midnight Channel is back on the air and once again broadcasts a strange advertisement for another fighting tournament christened P-1 Climax, that shows members of the Investigation Team and the Shadow Operatives in combat. Just moments after this, Inaba is subject to a power outage and is engulfed by a bizarre red fog.

The Unrivaled Father and The Strongest Daughter.
The father's powers that is hidden under the guise of an average D-Rank is...?
The story of their bonds and the storm that awaits them begins!

Year 198X, Puerto Rico. Mamiya Musashi, a boy who dreams of encountering intelligent extraterrestrial life, meets genius maverick Isaki Aira who he entreats to be hired as an assistant. From that encounter begins a story to surpass mankind's intelligence.

When he woke up, the world completely changed. The end of the world arrived.
The rich, famous and high ranks in the previous world lost their status. In this violent world, a canned food can be exchanged for a former world-renowned female celebrity.

Zhou Gongjin who was the mastermind of what happened in the “Parasite Doll” incident of “Nine Schools Competition” has fled from Yokohama, to the area of the original ancient magic users group centered around Kyoto also known as the “traditionalists”. Since then two months have passed — The “National High School Magic Thesis Competition” will soon be held. This year's Thesis Competition is being held in Kyoto sponsored by the Magic Association and in their conference hall. Tatsuya gets visited by the Kuroba twins who as representatives bring Yotsuba Maya's letter to him. The letter is a request from his aunt saying — “hope your cooperation to capture Zhou Gongjin”.
While it is questionable that whether it is a “command” rather than a “request”, Tatsuya and Miyuki go to Kudou's house as they are in the center as opponents of the “traditionalists”. So, two siblings have an encounter of the fate with the “Genius Augmented Magician”. Conspiracy of the ancient city was the stage. The fate that has continued to smolder away in the back of the history of magician development, Tatsuya and Miyuki and his companions are challenged.

Adaption of Light Novel Volumes 14-15.

Rito is a high-school boy who just can't confess to the girl of his dreams, Haruna-chan. One day when coming home and sulking in the bath-tub, a mysterious and barely clothed girl appears out of nowhere. Her name is Lala and she comes from another planet...

The year 2118... Four young astronauts head out to the stars to find humanity's new frontier...or so they thought! Two days after they depart, earth is devoured by a black hole! Plunged into a destiny they cannot escape, these unique young men reach their destination of Alpha Jumbro and plan to live out the rest of their lives there. How will humanity survive in this wacky space-survival comedy?!

The story centers around Nyaruko, a formless Cthulhu deity of Chaos (Nyarlathotep) who can take on the shape of a seemingly ordinary silver-haired girl. Mahiro Yasaka is a normal high school boy who is being chased by a fearsome black alien one night, until Nyaruko saves him. She explains that the creatures from H. P. Lovecraft's works are actually races of aliens, and that she has been sent to Earth to protect him from being kidnapped by an alien trafficker. Eventually, Nyaruko and two other Lovecraft-creatures, Cthugha and Hastur, ends up being freeloaders at Mahiro's place.

After taking down Dr. Wily's previous attempt at conquering the world, he's back to his old tricks and yet again, it's up to Rockman to foil his plans!

A manga based off of the movie.

In the silent and lonely darkness, two moons shown in the sky of a world with limitless possibilities. a mysterious, weird, delighted clown, several federal unions of cities formed three powerful empires, where interracial unrest and disturbance of monsters are a norm, this, is the time when heroes are made. Humans struggle to regain the control of planet earth while armed with the highest level of ambition. At this time of importance, second year high schooler Senior, Student Wang, he uses the Fate Roulette to upheave the world, watch out people, here comes the Senior!

Tsutsui Yukitaka is a freshman entering high school who hopes to become a good baseball player. However, when he walks into his new apartment, there is a man in the room who claims that he is an alien who lost his memory. He is in fact the first prince of Planet Dogra, known to have the best brain but the worst nature.

Tale of the Soviet space dog Laika, who after being launched into Space, takes her revenge on humankind.
成為載人航天先驅者的宇宙流浪狗向人类复仇的故事。 ​​​​

This is the story of how one primitive lame old mecha anime became a legend that leads the way for humanity.

Eirun Bazatt after a malfunction arrives during a battle between what appears to be Japanese forces fighting against monsters called 'Malice' and he's not one to run away from a fight...

A manga about modern Japan where anomalies known as ‘hizumi’ or 'twists' appear and mix together objects. After a high school delinquent, middle school nerd, cat, and flea end up fusing together, they embark on a quest to learn more about the anomaly.

The story is set in the distant future. The land is ruined, and humanity establishes the mobile fort city Plantation. Pilots produced inside Plantation live in Mistilteinn, also know as the "birdcage." Children live there knowing nothing of the outside world or the freedom of the sky. Their lives consist of battling to carry out missions. Their enemies are mysterious giant lifeforms known as Kyōryū, and the children pilot robots called Franxx to face off against them. For the children, riding the Franxx proves their existence.
A boy named Hiro is called Code:016, and he was once known as a prodigy. However, he has fallen behind, and his existence seems unnecessary. Not piloting a Franxx is the same as ceasing to exist. One day, a mysterious girl known as "Zero Two" appears before him. Two horns grow out of her head.