There are many dynasties in Yongxian Continent. In order to strengthen the body and prolong life, the people here have always maintained the tradition of Xianwu fellow practitioners. Once the practitioners reach the peak of martial arts, they will ask about Xiandao. The young Su Yu, who suffered a severe accident at a young age, changed his name and changed his surname, but he was still in a hurry, but he was unexpectedly reborn back to his youth. Foreseeing that the family is about to fall, in order to protect his family and relatives, Su Yu decided to work hard and practice the secret methods of Xianmen he learned in his previous life.

Two high school girls Himari and Hinana dream of going viral. As they film all sorts of topics that could become a hot topic, they notice something weird and enter a strange world.

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. [Written by MAL Rewrite]

In the near future, augmented reality has become a key part of daily life. A gentle middle school girl named Yuuko "Yasako" Okonogi and her family have just moved to Daikoku City despite rumors of people disappearing. There, her grandmother, nicknamed "Mega-baa," runs a shop called Megasia that specializes in illegal tools which interact with parts of the virtual world. Mega-baa also hosts an unofficial detective agency called "Coil," a group of children around Yasako's age who find and handle corruption of the virtual world. Yasako gets involved with the group when Fumie Hashimoto, a playful member of Coil, helps rescue her cyberdog Densuke after getting trapped in virtual space while chasing a mysterious virus. Also investigating these corruptions and viruses is an abrasive hacker named Yuuko Amasawa, who the others take to calling Isako. Can Coil discover the truths behind the mysterious viruses and corruption, and if they can, at what cost? [Written by MAL Rewrite]