The "loosely science-fiction adventure" is set in the summer sometime in the 21st century. Tokyo's Shinjuku ward has become a wasteland, void of all humans due to an unexplained catastrophe. What remains are these strange creatures such as "Donyatsu," the half-cat, half-doughnut hybrid, and "Begaru," a feline bagel composite.
High school student, Naoya Aizawa is having a normal day with his long time friend, Tama. But on his way to school, every person in the train station suddenly disappears... except for one girl.
Author Hotaru Yuyami has just tragically lost his beloved dog. While gazing at a tree in his yard, he notices a strange pink mushroom, and it’s…moving?! The mushroom suddenly turns into an adorable dog, and Hotaru decides to take it in. Now, alongside his editor and a mushroom researcher, Hotaru shares heartwarming and hilarious moments with his new capricious companion.
Riku Haruma enters high school without a future in sight. He sees people playing like monsters on the ground, jumping higher than anyone else, running fast, deciding to try their best. There, he sees Akira Kariya playing rugby, a sport he was once passionate about but gave up due to his physique. While Akira is running roughly, Riku gives him a piece of advice without thinking. From that, Riku feels his dying passion for the sport set ablaze, and his future starts to brighten up...
Maigahara Music College Affiliate School Maigahara Senior High (abbreviated as MaiMai). At this academy that gathers the most promising musical talents, there's a rumor circulating among students. "If you give an amazing performance at the school festival, you get special extra credit (or so they say)." Serina's grades are not very good, so she immediately believes the rumor and decides to form a band!
Rehearsals, sleepovers... even cosplay? Everything they can imagine will become part of their colorful daily life. But will they really be able to give an amazing performance and get the rumored credit!? The curtain rises on the story of the daily, funny lives of these girls!
Severe internet addiction has become an epidemic infecting the nation's youth, ultimately resulting in their extreme dependence on the world wide web. Those who are too far gone are enrolled at Elite Reeducation Academy in order to help them grow into successful adults. Li Xiang(Hibiki in Japanese) is one such teenager who awakens in the facility unaware of how he came to be there. He learns from the head instructor that he was knocked out and brought to the school at his mother's behest, concerned with how belligerent her son was becoming as a result of his internet addiction.
Stuck in a place more akin to a prison than an academy, and with no escape from the abuses of the instructors, Li Xiang decides to end his life by jumping from the roof. But as fate would have it, he meets a mysterious man named Shin who promises to give his life meaning...
The cheerful orange tabby cat Tapio Chatorazawa and the pessimistic Russian blue Kuehiko Roshihara live like people in an anthropomorphic world. The two study in the same college, and also work together on various odd jobs.
Miyoshi Hayashi is one quirky high-school student who enjoys doing fun things that don't always quite make sense. Despite being hard to pin down, his mysterious charm never fails to draw others to him. In order to finance his activities, he sometimes helps out at his parents' restaurant, allowing him to continue living by his motto, "It's comfortable to have enough free time to waste."
Yan Yuechu returned to his hometown to work and made new friends at his workplace. One day, he went to XY Escape Room and found himself deeply attracted to the proprietor, Xu Aiyou. However, that was when he started to experience strange escape room illusions. As Yan Yuechu got to know Xu Aiyou, more and more incidents started to happen around him and even his friends. In the process of solving the escape rooms and finding the mastermind behind all these events, he gradually found himself uncovering the truth behind his lost memories...
The Blue World, which symbolizes reason, is under constant attack by the creatures called the Nightfly O'Note originating from the Red World, symbolizing instinct. Akira Asagi, the 17-year-old protagonist who is a researcher at Blue World, is nominated to lead the war at Ryuukyuu LAG, a proud defense facility on the islands of Ishigaki and Iriomote. She meets the sixth combat unit "IS," which was formed four years after a fierce battle that annihilated the fifth unit. Akari must lead these six riders, also called the Scared Rider Xechs, to fight against the other world while at the same time deepening the relationship among them.
A mysterious man by the name of Lee dwells with Aak, Hung, and Waai Fu in the dark alleyways of Lungmen City. Styling themselves as Lee's Detective Agency, they strove to run errands, investigate mysteries, and mediate disputes for their neighbors. Herein lists a few of their actual yet strange cases to go with your tea.
Light and Yomi are spending their daily lives happily playing video games. One night when everyone else is asleep, Light receives an invitation from Alpha, a messenger for someone named King. Light and Yomi are then sucked into another world, where they must undertake a quest to rescue Princess Melody from the demon lord. Light thinks this must be his destiny, while Yomi thinks it's kind of annoying. They form a party with Alpha to start their quest. Alpha as it turns out is an AI robot, and he has a program that allows them to raise their levels while slowly continuing their adventure.
Kiitarou is a boy with a strong sixth sense who is always surrounded by demons. He gets talked to by yukionna, gets his bath licked clean by akaname (licking demons), and lives with the zashiki-warashi Suzu, whom he just can't come to dislike.