A mysterious switch appeared one day. Upon pressing it, they were sent to a different alternative world!! There are also characters from other alternative worlds gathered together

In a floating city where the rich discard their waste-and people-Rudo is framed for murder and thrown into the Pit, where a hellscape of mutated garbage beasts dwell.

When high schooler Mari runs late for school, she never expects to fall for Tsunagu-a gentle, sensitive, beastfolk! In a world where beastfolk are segregated behind walls, Mari and Tsunagu show their differences are truly bridges.

Even after turning 40 years old, Tojima Tanzaburo still seriously wants to be a Kamen Rider.

Years ago, the fearsome Pirate King, Gol D. Roger was executed leaving a huge pile of treasure and the famous "One Piece" behind. Whoever claims the "One Piece" will be named the new King of the Pirates. Monkey D. Luffy, a boy who consumed a "Devil Fruit," decides to follow in the footsteps of his idol, the pirate Shanks, and find the One Piece. It helps, of course, that his body has the properties of rubber and that he's surrounded by a bevy of skilled fighters and thieves to help him along the way. Luffy will do anything to get the One Piece and become King of the Pirates!

Kouyou Kotesashi, a sports doctor with massage skills, enrolls at Seiwa University Affiliated High School to secure a scholarship.

Ellen, an 8-year-old girl and half-spirit, once lived as a scientist in modern-day Japan.

The seemingly ordinary and unimpressive Saitama has a rather unique hobby: being a hero. In order to pursue his childhood dream, he trained relentlessly for three years-and lost all of his hair in the process. Now, Saitama is incredibly powerful, so much so that no enemy is able to defeat him in battle. In fact, all it takes to defeat evildoers with just one punch has led to an unexpected problem-he is no longer able to enjoy the thrill of battling and has become quite bored.

With her cool, mysterious aura, transfer student Ishikawa Luna is already the most popular girl in class. Ohtori, on the other hand, is so average he

Former martial arts legend Marie has accepted a new job as a "mechanical maid"... except she's 100% human, and Arthur, her new boss, despises humans.

It, a mysterious immortal being, is sent to the Earth with no emotions nor identity. However, It is able to take the shape of those around that have a strong impetus.

China's Warring States period, a raging dragon that would raze the land for 500 years, saw many kingdoms rise and fall, making way for the next generation of kings and generals to fight for supremacy. Eventually, seven powerful states emerged from the endless cycle of warfare.