is a Japanese light novel series written by Kei Sazane with illustrations by Neco. It was published under Media Factory's MF Bunko J imprint from July 2017 to August 2020. A manga adaptation illustrated by Arikan was serialized in Media Factory's Monthly Comic Alive manga magazine from February 2018 to October 2025. An anime television series adaptation produced by Project No.9 aired from July to September 2024.

Plot A war between five races for supremacy on Earth is won by humanity, led by the hero Sid. Suddenly, history gets overwritten so that Sid never existed, leading to humanity losing and becoming subjugated by the other races. All of this is witnessed by a boy named Kai, who is mysteriously unaffected by the alterations. In this new world, Kai finds that he never existed previously, so no one knows him. After meeting a mysterious girl named Rinne, Kai is inspired to become the hero himself and free humanity.

Characters

A soldier of the Urza Federation who remembers the original world for unknown reasons.

A girl of an unknown non-demon race whom Kai rescues. She is brought to the human resistance camp where she helps them in the fight against the demons.

A high-ranking soldier of the Urza Federation Army and Kai's close childhood friend from his world. In the alternate world, she leads the human resistance masquerading as a man, with her true identity as a woman only known to a few close aides.

A soldier and Kai's colleague of the Urza Federation Army. In the alternate world, he is a member of the human resistance force.

A soldier and Kai's colleague in the Urza Federation Army. In the alternate world, she is a member of the human resistance force.

Jeanne's close aide and bodyguard.

An elf shrine maiden who joins Kai's team after falling in love with him.

Media Light novel

Manga A manga adaptation illustrated by Arikan was serialized in Media Factory's Monthly Comic Alive manga magazine from February 27, 2018, to October 27, 2025. It was collected in fourteen volumes released from June 23, 2018 to November 21, 2025. The manga adaptation is published digitally in English on Kadokawa Corporation's BookWalker website.

Anime In July 2023, during the MF Bunko J Summer School Festival 2023 event, an anime television series adaptation was announced. It is produced by Project No.9 and directed by Tatsuma Minamikawa, with scripts written by Satoru Sugizawa, and characters designed by Hiromi Kato. While the series received an advance screening on June 16, 2024, at the Grand Cinema Sunshine in Ikebukuro, Tokyo, it aired from July 13 to September 28, 2024, on Tokyo MX and other networks. The opening theme song is performed by Unlucky Morpheus, while the multiple ending theme songs are performed in the following: the first is performed by Susu, the second is performed by Urbangarde, and the third is "Umbra" performed by Elfensjón. Crunchyroll licensed the series. Medialink licensed the series in East, Southeast Asia and Oceania (except Australia and New Zealand) for streaming on Ani-One Asia's YouTube channel.

Episodes

Reception By July 2023, the series had over 700,000 copies in circulation.

See also Gods' Games We Play, another light novel series by the same author Our Last Crusade or the Rise of a New World, another light novel series by the same author

Notes

References

External links