Umaru Doma is a popular high school girl who hides her lazy and spoiled side from everyone. When she gets home, she transforms into a lazy otaku who spends her time playing video games and eating junk food. Her calm and reliable brother, Taihei, is the only one who knows about her secret.

Ueno may be the president of the science club at her junior high and a genius inventor, but she still can’t figure out how to confess to her crush, Tanaka! Can she find a way to give her heart what it truly yearns for?

Manatsu Natsuumi is a first-year junior high school student born and raised on a small island. On the day she moves from the island, She meets Laura, a mermaid girl who has come to the earth alone in search of the legendary warrior, PreCure. Laura's hometown, Grand Ocean, is attacked by a witch who lives in the dark depths of the ocean, and all of their motivational power is taken away. It is said that if the motivational power of humans is also taken away, the world will be in deep trouble. Laura is captured by the witch's servant, and Manatsu transforms into Cure Summer to save her.

After being killed in a classroom accident, a high school student finds herself reincarnated as a spider in a fantasy world filled with dangerous creatures and demons. She must adapt to her new life and use her newfound abilities to survive in this unfamiliar and risky environment.

Filled with rage against spirits known as tsukumogami, Kunato Hyoma is sent to live with Nagatsuki Botan to help him see a different side. Though both are part of a clan that return the spirits back to their world with divine powers, their experiences with the otherworldly vessels are vastly different. Kunato, robbed of a loved one, and Nagatsuki, saved by them. Can she get through to him?

Chi is a sweet playful kitten who’s always full of energy. She lives with the loving Yamada family. Her daily routine is to drink milk, take naps, and go walk in the park.

Miyata Yuri and Meguro Megumi are two girls who enter the world of competitive motorcycle sidecar racing on Miyake Island. While they are the complete opposites of each other, and often butt heads, they complement each other well during races. The team will fight other motorcycle sidecar teams from all over Japan, each with their own opposing traits, such as honor student and working student, sadist and masochist, and a funny man and straight man.

Unaired special of “Himouto! Umaru-chan” included with the manga’s tenth compiled volume. Realizing it is Taihei's birthday, Umaru asks Nana for advice on what to do for him. Umaru decides to act like an ideal sister and spend time with Taihei, only to discover that he prefers her the way she is. Later, as the girls begin their summer vacation by going to a swimming pool, Umaru wonders if she should stop putting on an act in front of her friends and reveal that she, Komaru, and UMR are the same person. As Umaru becomes conflicted over what will happen if she tells everyone, her friends assure her that she doesn't need to reveal her secrets if it'd just make her suffer. Relieved by the support of her friends, Umaru makes the decision to continue hiding her secret.

To help manage his recently deceased grandmother's effects, the protagonist Takahara Hairi travels to Torishirojima during his summer vacation. As he gets off the ferry boat, he spots a lone girl standing on the pier. A girl who simply gazes into the distance as her long hair flutters in the wind. He looks at the girl in utter bewilderment, but before he realizes it, she can no longer be found anywhere.

In the children's room of the Amanogawa household in the neighborhood of Shichifukujin, there are five Engimon: Haruo (a papier-mache dog), Kin-chan (a goldfish paper balloon), Hebikura (a bamboo snake), Chief Daruma (a daruma doll), and Koume (a Kokeshi doll). They are always watching over the siblings of the household, Himi and Yamato. One day, an Engimon from somewhere else appears, and Himi leaves the house to chase it. Haruo and his friends come alive, much to Yamato's surprise, and together they go to rescue Himi.

Yoji and Kei, a boy and girl, live in a town in the not-so-distant future with their foster parent, Anna. But these seemingly ordinary children have a secret hidden even from their unsuspecting mother. Yoji and Kei are superhero defenders of their town! With a flap of their capes, the two of them and their robot bear sidekick, Oscar, protect the citizens in their town with their handmade high-tech machinery. But from what menace? And will our little heroes be able to overcome the crisis about to threaten the town's peaceful everyday serenity?

Unaired special of “Himouto! Umaru-chan” included with the manga’s seventh compiled volume. After being tempted by a pillow on the television shopping channel, Umaru has a dream reminding her to appreciate the pillow she has. The next day, Umaru goes with Sylphnford to the convenience store where she tries to win a lottery prize. Later, Umaru and Taihei go wild at a yakiniku restaurant, unaware that Nana is at the next table over. At the start of October, Umaru and Kirie get into the Halloween spirit early, dressing up in costume and trying various pumpkin-based snacks. Afterwards, Umaru decides to fake a fever in order to skip school, only to be overcome by guilt.

Over many years, the animals evolved in isolated cities, with artificial genetic crossbreeding, they acquire language, bipedality, and build a life and civilization for themselves free from want. No one thinks of the world below any longer. One day, a single plant seed wanders into one of the sky cities, and the children Kui, Hiruma, and Root discover it. Unable to resist the temptation to look into the world outside, they decide to undertake an adventure to the outside world, unknowing that once they set foot on the ground, they will never be able to return.

Miss Black General is the villainous leader of RX, a secret organization bent on world-domination. Unfortunately, Miss Black General also has a huge crush on Brave Man, a costumed superhero dedicated to foiling RX's evil schemes, and she often mistakes his violent heroics for an overly enthusiastic form of flirtation. So how exactly is she going to to conquer the world when she can't even conquer her own feelings? And how will Brave Man respond to this odd twist?