Strike Witches (2008)

Kinji, who lacks any kind of work ethic, is a layabout in his modern life. One day, he finds himself transported to another world–but not in a grand fantasy of a hero welcomed with open arms. He's immediately shoved into a terrible job! Now enslaved by an evil mining company in a fantasy world, Kinji's about to really learn the meaning of hard work!

The skilled hunter Kikuru Madan has decided to retire out of fear of wasting his youth. One day, a guild staff member suggests that he go on a quest with a new female martial artist named Hitamu Kyan. However, she keeps getting hit by monsters one after another.

In the town of Lindworm where monsters and humans coexist, Dr. Glenn runs an exemplary medical clinic for monster girls with his lamia assistant, Sapphee. Whether receiving a marriage proposal by a centaur injured in battle, palpating the injury of a mermaid, or suturing the delicate wounds of a flesh golem, Dr. Glenn performs his job with grace and confidence. But when an unsavory character seeks to steal a harpy egg, how will the unflappable Dr. Glenn respond...?

High schooler Yūta Iridatsu has experienced “astral projection” i.e. his spirit has been separated from his body. He woke up in a mansion named Koraikan and met a cat spirit named Chiranosuke, who told him “You must find the Sacred Tome of Koraikan in order to return to your physical body.” While searching through corridors of Koraikan, Yūta bumped into underpants of its female residents, and doing so would, eh, create some big trouble for planet Earth.

Asahi, a boy who loves video games is killed in a traffic accident and ends up in another world. He tries to enjoy the otherworldly adventuring life he's always dreamed of, but his stats are on the level of an NPC's. He is in big trouble and is being chased by a monster when he hears, "Fear not, little brother!" and the monster is killed in one hit by Asahi's older sister, Maya, who followed Asahi to this world. So Maya has acquired some seriously OP skills, but she takes her adoration of her younger brother to extremes. Thus begins their story about an overpowered older sister with a brother complex and a younger brother with the weakest of stats in another world.

Invertia was a meteor storm that caused an unprecedented disaster during the 20th century. Because of this disaster, numerous cities around the world were destroyed. However, within the meteor, an unknown element called mana was discovered. It allowed human technology to make rapid strides giving rise to a new species of super-powered humans, the Star Pulse Generation (Genestella). The Festas (Star Warrior Festivals) host battles between Genestella at a city of six academies called “Rikka,” also commonly known as “Asterisk.” Scholarship student Ayato Amagiri transferred into Seidoukan Academy in order to fulfill his own wish, swearing he too will fight in this city.

It has been 800 years since the incredibly fast and powerful gods of battle known as the Idaten had sealed away the demons after an intense battle. Now, that battle is just considered a myth or a fairytale. While the current generation of Idaten who have never even had to fight are enjoying their peaceful lives, someone awakened the demons once again! Armed forces, ingenuity, politics, and intrigue. If you've got it, use everything you can! This three-way battle royale with no rules and no limits is about to begin!!

Turns out, evil takes initiative! With world domination close at hand, the Kisaragi Corporation turns its sights on interstellar conquest, and who better to take over a magical world than two randomly assigned minions—Combatant Agent Six and his android partner Alice? But Six’s path up the evil corporate ladder won’t be easy—a Demon Lord’s army is hatching its own nefarious plan!

Unique monsters that suddenly began to appear all over the world from the beginning of the 20th century. At first, human beings tried to resist, but in the face of their enormous power, they came to the conclusion that complete extermination was impossible, and concentrated their wisdom on monitoring and analyzing monsters. The United Nations Kaiju Observatory (commonly known as Coulons) was born. Leading by the indomitable leader Yuichiro Kaido, the authority of monster ecology, Toji Kobayashi, the talent of monster function analysis, Claire Coleman, the maverick of monster disaster prevention, Kenny Mikoshiba, and the nobleman of monster strategy, Nikita Tarkovsky. A new generation Lulu de Picard who paved the way for monster linguistics, and Guillermo Marquez, a monster life science tycoon. Experts in monster science monitored and analyzed hundreds of monsters, and continued to explore a world where monsters and humankind live together.

Ryota Sato gets the surprise of his life when he's suddenly transported into another world and nearly clobbered at the hands of the young, pretty adventurer Emily Brown. This new world revolves around defeating monsters and profiting on whatever they drop—food, money, items, etc. Unfortunately for Ryota, he has no skills to speak of...until he learns he has the ability to get rare drops! Suddenly his luck turns around...or does it?

Star pitcher Haruka Kiyomine and skilled catcher Kei Kaname were an unstoppable duo—until Kei was hit with a curveball: amnesia. Now they have a second chance to play at a no-name high school with a team of past rivals. Can they overcome Kei’s memory loss and rekindle their baseball dreams? With hilarious hijinks and fierce competition, get ready for a strikeout.

Forced to give up playing guitar when her mother remarried a rich real estate tycoon, Lilisa Suzunomiya's passion for music reawakens when she meets Otoha Kurogane, her seemingly perfect classmate who is secretly a heavy metal drummer!

The adventures of Iyami, a con artist who's always looking for a quick buck, and Chibita, his short-statured kid partner-in-crime, as they make trouble for their town and constantly cause friction with the Matsuno sextuplets, a clan of rowdy identical 10-year-old brothers led by the eldest, Osomatsu.

The Fountain of Life is the source of all life forces in the Bosco World. Princess Apricot, who is supposed to become Queen of Fountainland-the Guardian of the Fountain of Life-is kidnapped by villains who aim to rule the Bosco World. If Princess Apricot can't take the queen's throne by the next solar eclipse, the Fountain of Life will dry up. The animals living in the forest of Bosco, including Frog, Otter and Tortoise, decide to help Princess and take her to Fountainland in order to protect their peaceful life in the Bosco World. So begins the journey in a balloon full of dreams, hope, adventures, and love!

Arima Takuya is a young student whose father, a historian who has conducted various researches, disappeared recently. During a summer vacation Takuya receives a peculiar package from his missing father, along with a letter containing information about the existence of various parallel worlds. At first Takuya doesn't take it seriously, but soon he realizes that he possesses a device that allows him to travel to alternate dimensions. Is his father alive, after all? If so, where is he?

The story is set in Japan in 2020. The story centers on Shin Hazama, and a version of himself who led a different life in another Japan appears. A crack opens in the everyday life that he thought was impossible to change. Boys and girls have to decide what to think and choose when the world changes completely. The battle with another world and another self begins.