Mitsuha Miyamizu, a high school girl, yearns to live the life of a boy in the bustling city of Tokyo—a dream that stands in stark contrast to her present life in the countryside. Meanwhile in the city, Taki Tachibana lives a busy life as a high school student while juggling his part-time job and hopes for a future in architecture. One day, Mitsuha awakens in a room that is not her own and suddenly finds herself living the dream life in Tokyo—but in Taki's body! Elsewhere, Taki finds himself living Mitsuha's life in the humble countryside. In pursuit of an answer to this strange phenomenon, they begin to search for one another. Kimi no Na wa. revolves around Mitsuha and Taki's actions, which begin to have a dramatic impact on each other's lives, weaving them into a fabric held together by fate and circumstance.

Sixteen sentient races inhabit Disboard, a world overseen by Tet, the One True God. The lowest of the sixteen—Imanity—consists of humans, a race with no affinity for magic. In a place where everything is decided through simple games, humankind seems to have no way out of their predicament—but the arrival of two outsiders poses a change. On Earth, stepsiblings Sora and Shiro are two inseparable shut-ins who dominate various online games under the username Blank. While notorious on the internet, the pair believe that life is merely another dull game. However, after responding to a message from an unknown user, they are suddenly transported to Disboard. The mysterious sender turns out to be Tet, who informs them about the world's absolute rules. After Tet leaves, Sora and Shiro begin their search for more information and a place to stay, taking them to Elkia—Imanity's only remaining kingdom. There, the duo encounters Stephanie Dola, an emotional girl vying for the kingdom's sovereignty. In desperation, she attempts to regain her father's throne, but her foolhardiness makes her goal unachievable. Inspired by the girl's motivation and passion, Sora and Shiro decide to aid Stephanie in getting Elkia back on its feet, ultimately aiming to become the new rulers of the enigmatic realm.

Eccentric scientist Rintarou Okabe has a never-ending thirst for scientific exploration. Together with his ditzy but well-meaning friend Mayuri Shiina and his roommate Itaru Hashida, Okabe founds the Future Gadget Laboratory in the hopes of creating technological innovations that baffle the human psyche. Despite claims of grandeur, the only notable gadget the trio have created is a microwave that has the mystifying power to turn bananas into green goo. However, when Okabe attends a conference on time travel, he experiences a series of strange events that lead him to believe that there is more to the Phone Microwave gadget than meets the eye. Apparently able to send text messages into the past using the microwave, Okabe dabbles further with the time machine, attracting the ire and attention of the mysterious organization SERN. Due to the novel discovery, Okabe and his friends find themselves in an ever-present danger. As he works to mitigate the damage his invention has caused to the timeline, Okabe fights a battle to not only save his loved ones but also to preserve his degrading sanity.

When tragedy is about to strike, Satoru Fujinuma finds himself sent back several minutes before the accident occurs. The detached, 29-year-old manga artist has taken advantage of this powerful yet mysterious phenomenon, which he calls Revival, to save many lives. However, when he is wrongfully accused of murdering someone close to him, Satoru is sent back to the past once again, but this time to 1988, 18 years in the past. Soon, he realizes that the murder may be connected to the abduction and killing of one of his classmates, the solitary and mysterious Kayo Hinazuki, that took place when he was a child. This is his chance to make things right. Boku dake ga Inai Machi follows Satoru in his mission to uncover what truly transpired 18 years ago and prevent the death of his classmate while protecting those he cares about in the present.