Author Hideo Takanaka confirmed through his Twitter account that the manga Fate / Grand Order: Epic of Remnant - Ashu Tokuiten II - Denshou Chitei Sekai Agartha - Agartha no Onna (abbreviated as Fate / Grand Order: Epic of Remnant - The Woman of Agartha) has entered “its last stage”.
Takanaka began publishing the manga in Kadokawa publisher's Young Ace magazine in February 2019. The publisher published the third compiled volume on June 3 and the work is based on the second part of the Fate / Grand Order smartphone game, titled “Epic of Remnant” and specifically in the story “Ashu Tokuiten II Denshō Chitei Sekai Agartha: Agartha no Onna”.
About Fate / Grand Order
It is a free online role-playing game developed by Delightworks and distributed by Aniplex. The game is based on the Fate / stay night franchise by Type-Moon, and was released in Japan in July 2015 and in the United States and Canada in June 2017. In 2017 alone, the game had already accumulated more than 982 million dollars in earnings, making it the sixth highest grossing mobile game of that year. In 2018 it topped $ 1.2 billion, making it the seventh-highest grossing game in history at the time. Finally, in 2019 the game surpassed $ 4 billion in winnings.
© 武 中 英雄 (著), TYPE-MOON (原著) / KADOKAWA