Katalina, a Lieutenant of the Empire, seeks to escape one of their airships with the experimental subject Lyria. An accident results in them landing on an island, where Lyria is discovered by Gran, a young local who has trained with the sword. As he fights off the Empire soldiers pursuing Lyria, he's eventually joined by Katalina. When the opposition becomes too fierce to handle, Gran dies at the claws of a hydra, only to be brought back to life by Lyria, who combines her effort with Gran's to summon a dragon that drives off the Imperial forces. Now Gran's life force is split with Lyria, so he must go where she goes. That's not a problem for him, since he was planning to go on a journey to seek out his absent father anyway.
Commonly known as the "Dungeon," the city of Orario possesses a huge labyrinth in the underground. Its strange name attracts excitement, illusions of honor, and hopes of romance with a pretty girl. In this city of dreams and desires, new adventurer Bell Cranel has his fateful encounter with the tiny Goddess Hestia.
Thus begins the story of a boy striving to become the best adventurer and a lonely goddess searching for followers both hoping to reach their goals and perhaps have some romance on the side.
An art student named Jin Mikuriya carves a statue from the wood of the Kannagi tree only to have the statue come to life in the form of a goddess, who has now taken over the statue. He and "Nagi" work together to destroy the impurities that are gathering in the town.
Kanokon's story revolves around Kouta Oyamada, a young first-year high school student who moves from the country to the city and thus transfers to Kunpo High School. On his first day at his new school, a beautiful second-year female student named Chizuru Minamoto asks him to meet her alone in the music room. When he arrives, she reveals that she is in fact a fox deity and from that day on the two hang out together. Nozomu is a first-year female student at Kouta's school, she is in fact a wolf deity and in love with Kouta, and a rival of Chizuru for Kouta's affections.
(AKA Kono Subarashii Sekai ni Shukufuku o!) Kazuma Satō is a hikikomori (shut-in) die-hard fan of games, anime, and manga. A traffic accident brings his disappointingly brief life to an end, or it should have, but he wakes up and sees a beautiful girl who introduces herself as a goddess. She asks him if he'd like to go to another world but he can only bring one thing with him. Kazumi chooses to bring the goddess. With that, he is transported to another world and his great adventure subjugating the demon king begins, but first the hard work of finding food, clothing, and shelter begins. Kazuma wants to live in peace, but the goddess raises one problem after another, and then the demon king's army has its eyes set on him.
Mistarcia is a magical world where humans, gods, and demons mingle together. In the past, the black-and-silver winged Bahamut has threatened to destroy the land, but humans, gods, and demons overcame their differences to fight together and seal its power. The key to that seal was split in two, one half given to the gods and the other to demons, so that they would never be united and Bahamut never released. Now, two thousand years later, the world is in an era of peace - until the day a woman steals the gods' half of the key.
Kraft Lawrence, a 25 year old peddler travelling from town to town selling and buying various things to make a living during a period much like Europe in the Middle Ages. One night when stopped at the town of Pasroe, he finds in his wagon a 250 year old pagan wolf deity girl named Holo. She appears to be that of a 15 year old girl, except for a wolf tail and ears. She introduces herself as the town's goddess of harvest who has kept it blessed with good harvests of wheat for many years. Despite having the responsibility to watch over the town, she wants to go back to her homeland in the north called Yoitsu, she believes the people have already forsaken her anyway and that she has kept her promise to maintain the good harvests. She manages to bargain her way out of the village by making a deal with Lawrence to take her with him. As they travel, her wisdom helps increase his profits, but at the same time, her true nature draws unwanted attention from the church.
Luke fon Fabre, the spoiled son of a noble from the kingdom of Kimlasca-Lavaldear, has been confined inside his father's mansion ever since he was kidnapped seven years ago by a rival country, the Malkuth Empire. Now Luke's memory of the life he led before is missing, and a strange voice, which only he can hear, has been calling out to him ever since. One day while training with his mentor, Van Grants, a strange woman called Tear breaks into the mansion with the sole intent of taking Van's life. During the struggle Luke is transported far from home, along with Tear, and now that Luke has finally gained the freedom he's been dreaming of, what awaits him in the outside world will shatter everything he's ever known about himself.
In a world where humans and non-humans have not yet been separated, the kingdom of Leones is protected by the Holy Knights, powerful magic users both revered and feared by the people. Supposedly the strongest, most fearsome of these knights, the Seven Deadly Sins, betrayed the kingdom and made enemies of all the other knights. Queen Elizabeth doesn't believe this story, and sets out to find the Sins - but when she meets the first Sin at a tavern, his name is Melodias, and he's nothing but a boy in charge of the pigs.
Kazuya Kagami's most treasured possession in the world is the obi left to him by his late mother. The scent of cherry-blossoms infused into it helps him through his day - but he never expected it to save his life, becoming a beautiful kimono-clad girl who calls herself an "artifact spirit." Her name is Kiriha, tsukumogami of the sash, who naturally moves in with him, as he is her "owner." Throw in Chisato, his bespectacled friend, an overprotective older sister who wants to take baths with him, a busty priestess, a seductive sorceress named Kokuyoura, and Kazuya's life has just gotten a lot more interesting.
Valkyrie, Kazuto, Akina, Hydra and friends are back for more when the Key of time suddenly appears along with many other mysterious happenings. All seemed to be linked to a person named 'Valkyrie Ghost' who's only goal is stealing Kazuto for herself. As they team up against this seeming unbeatable foe they dig deeper into the mysterious past of Valkyrie's home planet, Valhalla.
The third season doesn't have a particular story behind everything (like "Valkyrie Ghost" in the second season). It just tells 6 stories about the life of Kazuto & Co. with some additions: Raine and Chorus get a house on earth, the last three Valhalla princesses each get an episode, and in the last episode Kazuto and Valkyrie, who in the same episode managed to stay adult, try to marry again.
Follow the adventures Yuki Yuna and the "Hero Club" she joins as they aim to do their best for the community they live in, ranging from helping other clubs to fighting off mysterious enemies known as "Vertex", all in time to attend classes and have fun.