LOTM: Sword of Kings AA Final - Eckidina Arc: Mafusa Gang's Revenge Sub Arc

"It's you who are the true demons... I fought so hard for you! I saved you so many times but no matter what I did you always backstabbed me and my friends! GO TO HELL!! YOU DISGUSTING HUMANS!!!"

LOTM: Sword of Kings AA Final - Eckidina Arc: Mafusa Gang's Revenge Sub Arc is the third major plot arc of the LOTM: Sword of Kings AA Final - Eckidina Arc and is the next arc after the end of LOTM: Sword of Kings AA Final - Eckidina Arc: Unit-CM 130 Arc, the second sub arc of the LOTM: Sword of Kings Saga AA.

The Story volumes that it is made up of are "Mina Harker", "The Purge of Mankind", "Mafusa's Black Tar", "Downfall of the Prime Earth" and "The Goddess". In-universe, the Mafusa Gang's Sub Ar is broken up into three sub-sagas: the Purge Saga, the Human Nature Saga, and the Astaroth Saga.

The story is the first Sub Arc to introduce another character who is not Katarina Couteau as the main protagonist; Katya.

Plot
The story takes place 1 year after Katarina Couteau was taken away by Vira and a powerful force known as Astaroth King. In 1 year, the dreadful STAR LABS of United States of America took over the Stabilization Union and started the Purge where billions of humans died by the hands of their own kind. In the world of total chaos where humans started killing each other to destroy the Black Demons inside of "specil humans", Mina Harker ruled the world with iron fist and lead the World War III to an end, an end where no one won. At one point, Katya is informed by her best friend Kotori Itsuka that the Black Demons are planning an attack against humanity and reclaim the world from the humans. As the humans do not stand a chance against the supernatural power of the demons and knowing that Katarina, now reborn as Elesis were on their side, Katya suggests fusing herself with a demon. Katya becomes Demi-Black Demon, with the power of a demon and the heart of a human and start a rebellion against STAR LABS and the Black Demons.

Episodes

 * "Mina Harker" - Episode 1 & 2
 * "The Purge of Mankind" - Episode 2, 3 & 4
 * "Mafusa's Black Tar" - Episode 5 & 6
 * "Downfall of the Prime Earth" - Episode 7, 8 & 9
 * "The Goddess" Episode 10, 11, 12 }& 13 (finale)