A team of four brave women -- Fighter (also the daughter of a legendary warrior who saved the country in the past), Paladin, Mage, and Darkelf -- accept the quest of saving the world from destruction. In order to achieve the goal they have to barter with villagers and fight against numerous monsters in their sexy and scantily-clad bikinis.
Three years ago, the world learned that harpies, centaurs, catgirls, and all manners of fabulous creatures are not merely fiction; they are flesh and blood - not to mention scale, feather, horn, and fang. Thanks to the "Cultural Exchange Between Species Act," these once-mythical creatures have assimilated into society, or at least, they're trying. When a hapless human teenager named Kurusu Kimihito is inducted as a "volunteer" into the government exchange program, his world is turned upside down. A snake-like lamia named Miia comes to live with him, and it is Kurusu's job to take care of her and make sure she integrates into his everyday life.
Shiina Kokomi is a hard working but even tempered high school girl who is the lead performer in her school's rhythmic gymnastics club. The story follows her and her growing circle of friends as they support each other through the various trials and situations that comprise high school life.
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.
Zero is a witch who is ignorant of the world and travels with a half-beast half-human mercenary who longs to be human. Witches who practice sorcery exist in the world, however, in this era no one knows how about the art and study of witchcraft. Zero is going on a journey to search for a magical tome called "The Book of Zero" that hides a power that can destroy the world. The mercenary travels with her as her guard.
The story follows Issei Hyōdō, a dim-witted, lecherous second-year high school student who is killed by a girl on his first date ever. Issei is reincarnated as a devil, and from that day forward, he serves as an underling of Riasu, a high-level devil who is also the prettiest girl on Issei's campus.
Hotaro Oreki doesn't like to do things that he considers a waste of energy. However, things start to change when he enters high school because even though he does not want to join any non-compulsory school activities, his older sister requested that he join the memberless Classic Literature Club so that it won't get abolished. Unbeknownst to him, another student, Eru Chitanda, already planned to join; but instead of being free from club obligations, Hotaro eventually joined as he is strangely unable to refuse or escape from Eru's passionate gaze of curiosity. Together with his friends Satoshi and Mayaka, they began to discuss a variety of mysteries in school that only H?tar? seems to be able to solve, including the mystery that lingered on from Eru's childhood memory.
A mysterious fleet known as "Abyssals" appeared from the depths of ocean and attacked randomly. Fleet Girls are the only one who can stand against the Abyssals. Together with Tornado Squadron and others, they set to counterattack. Upon seeing Akagi fought, Fubuki earned admiration towards her and aimed to fight with her.
High school freshman Yuuta Togashi was once a "Chunibyo patient" i.e. an overly self-conscious middle schooler. He wants to bury this embarrassing past and begins a new life in high school unsuccessfully. His classmate Rikka Takanashi, a "current" chunibyo patient, has found traces of residual symptoms on him and used the fact to force Togashi "making a contract" with her.
Haruka Takayama and Yuu Sonoda were inseparable during their junior high school years, but upon entering their senior high school, they end up being seated on opposite sides of the classroom. Having to spend time with more friends, the two decide to do something to make their relationship special.
Kumiko Oumae is looking for a new beginning at Kitauji High School, distant from most of her middle school peers. She befriends Hazuki Katou and Saphire "Midori" Kawashima and joins the Music Club with them, a past-time from her junior high days. There she continues to play euphonium and encounters Reina Kousaka, a figure from her past she didn't expect to meet again. As the club works tirelessly to achieve it's goals, the two girls awkwardly dance around each other, each wanting to know the other more.
Dating sim master Keima Katsuragi wants nothing more than to immerse himself in the 2D world, chasing digital girlfriends. But when the so-called "Capturing God" answers a mysterious email from an unknown sender, Keima finds himself chasing down real-life ladies in an attempt to help the peppy demon Elsie de Lute Irma capture "lost souls" escaped from the depths of hell. Now, lest the explosive collar around his neck detonate, Keima must convince various girls to fall in love with him in order to scare out the souls hiding in their hearts.
An art club in a certain middle school has the following members: Subaru Uchimaki, who is a genius at drawing faces, but only wants to draw the perfect 2D wife; Colette, a rich troublemaker who never stops making mischief; and the club president, who sleeps through sessions and collects sleeping aids. Mizuki Usami is the only person in the club who wants to do art club-like activities, and constantly struggles to do so.
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.