After fainting at work, a young lady awakens in the back room of the café she works at with no memory of her life or those around her. Two of her friends, whom she soon learns are named Shin and Toma, are called to help her get home safely. Once she is alone, she meets a spectral boy named Orion that only she can see and hear. He explains that she lost her memories because of his chance visit to her world, so he vows to help her remember who she is. However, regaining her departed memories without worrying those around her may be more difficult than she realizes. In addition to the gloomy Shin and the protective Toma, she must be wary of arousing the suspicions of the captivating Ikki, the quick-witted Kent, and a mysterious man who lurks in the distance. As her amnesia entangles her in the lives of each of these men, her fragmented memories return piece by piece, and the mysteries of her circumstances slowly come to light. [Written by MAL Rewrite]

"Weak Legs" Kenichi Shirahama would rather spend his time reading self improvement books than fighting. However, when he finally works up the courage to become strong and join his school's karate club, he is coerced into fighting a bullying upperclassman who is intent on getting him kicked out of the club. He is about to give it all up until he falls for his mysterious new classmate, Miu Furinji. In order to face this challenge, he undergoes rigorous training at the dojo she lives at, Ryouzanpaku. Some initial training by the masters there allow him to defeat his upperclassman, however his fighting prowess brings him to the attention of the powerful gang of delinquents, Ragnarok. Wishing to protect the things he loves and determined to have the strength to face the increasing adversity, he must learn various martial arts from the dojo's resident masters, taking Karate, Muay Thai, Ju Jitsu and Chinese Martial Arts and combining them to create his own fighting style!

In 2015, the Chaldea Security Organization draws on experts of both the magical and mundane fields to observe the future of mankind for possible extinction events. Humanity's survival seems assured for the next century—until the verdict suddenly changes, and now eradication of the species awaits at the end of 2016. The cause is unknown, but appears to be linked with the Japanese town of Fuyuki and the events of 2004 during the Fifth Holy Grail War. In response, Chaldea harnesses an experimental means of time travel, the Rayshift technology. With it, Ritsuka Fujimaru, a young man newly recruited to the organization, and the mysterious girl Mash Kyrielight, can travel back to 2004 and discover how to save humanity. A grand order to fight fate has been declared—an order to change the past and restore the future. [Written by MAL Rewrite]

-ADVERTISEMENT- The year is 2242. Humanity was forced to seek refuge deep underground due to the unprecedented calamity known as the "Tears of the New Moon," but following the collapse of the underground city-state of "Amasia," they begun to venture back towards the surface with hope of living there once more. Forming settlements called "Nests" scattered across the surface, adventurers known as "Drifters" continues to battle the lingering threat of the "Enders" and mine the "AO Crystals" which are an essential energy resource necessary for the operation of the nests. In the nest "Rock Town" where such Drifters gather, one wishing to become such a Drifter one day, "Kanata," alongside the skilled Drifter "Tokio," went to explore the ruins of an old museum where Kanata happens to discover a very beautiful sleeping "Magus." With the encounter of the mysterious Magus "Noir," a tale of destiny is slowly beginning to unfold.