The World's Strongest Rearguard - Season 1

Rein is a Beast Tamer who fights alongside heroes to bring down the Demon King. But one day his comrades declare him useless and kick him out of the party, after which he decides to start a carefree life as an adventurer. During the test he must pass to become an adventurer, he runs into a girl named Kanade who is being attacked by a monster. Rein risks his life to make sure she can escape, but then she brings down the monster in one hit. It turns out that Kanade is from the inordinately powerful tribe of cat people, one of the strongest species! She becomes attracted to his combination of talent and gentle nature and asks: "Would you try to tame me?" Rein forms a contract with the strongest cat-eared girl and starts his new life as an adventurer. The heroes who kicked him out of the party, as well as other stronger species, take notice of his power.

High school student Hiiragi Seiichi is bullied by his classmates for being a "loser." One day, his entire school is suddenly transported to a video game-like world of swords and sorcery. When he accidentally eats "the Fruit of Evolution," his life as a successful "winner" begins.

High school student Michio Kaga was wandering aimlessly through life and the Internet, when he finds himself transported from a shady website to a fantasy world — reborn as a strong man who can use "cheat" powers. He uses his powers to become an adventurer, earn money, and get the right to claim girls that have idol-level beauty to form his very own harem.

Small for his age, Yukinari has been bullied and abused by girls all his life. Now in high school, he has developed a rare condition: whenever girls touch him, or even come close, he breaks out in hives. Imagine his surprise, when he is suddenly transported to the city of Seiren on a mystic world invisibly orbiting the Earth, and populated with vast numbers of women and very few men. Fortunately, he has a new friend, Miharu-chan, whose touch inexplicably doesn't affect him.

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 the 15th century, during the Hundred Years' War between France and England over the succession to the French throne. Montmorency, the son of a noble, immerses himself in the studies of magic and alchemy at a royal knight training school. However, following France's crushing defeat at Agincourt, the school is dissolved. Having lost everything and now a wanted man, Montmorency, who had just become an alchemist, encounters a mysterious village girl named Jehanne.

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.

Natsuru is selected to be a Kampfer, a mystical fighter who has to fight other Kampfers. The catch is that all Kampfers are female, and Natsuru is male... at least he was! Worse, Natusru's best friend turns out to have a crush on his new body.

One day, humanity was invaded by another world. Having experienced that battle, known as Other World War I, humanity moved to marine floats, built for emergency evacuation purposes, as soon as Other World War II began. It's around that time that Kizuna Hida is summoned by his elder sister and visits the Strategic Defense Academy Ataraxia where he meets Aine Chidorigafuchi, a girl who uses Heart Hybrid Gear Zeros to fight the otherworldly enemies. He has a tough time dealing with her, but when her Gear runs out of energy, the only way to get it back in action is to do something lewd to her!

Follows the exploits of the young sorceress Lina Inverse, whose life revolves around food, treasure, and fighting. After stealing treasure from a group of bandits, Lina is accosted by stragglers during her journey to the next town. She's not in any real danger, but a dim-witted but good-natured swordsman named Gourry Gabriev springs to her rescue anyways. The two team up, and head to Atlas City, fighting foes they encounter on the way. Unbeknownst to them, two mysterious figures are hot on their tail, and they are especially interested in the “treasure” Lina and Gourry have stolen.