In Honkai, Loving Only Valkyries

Otto told MEI, under the identity of the Will of Honkai, when the later Herrschers would be born.

And he made a pact with MEI.

When humanity failed, MEI would die. Only by leading humanity to victory over Honkai could her life continue.

Therefore, she could not be a deserter who fled to the next era.

Having learned in advance when the Herrschers would be born, MEI began accelerating development due to the pressing time. Yet precisely because of this, the intensity of Honkai worsened, causing the Herrscher of Domination and the Herrscher of Constraint to be opponents on almost entirely different levels.

The Fusion Warriors were nearly wiped out, with only thirteen surviving.

Fire Moth's upper ranks were almost entirely dead. MEI naturally rose to power, while Otto, acting as a social butterfly, proposed bringing the remaining Fusion Warriors under unified command.

Thus, the Flame-Chasing Moth Thirteen Heroes were born.

Everything followed its original course, but now it was time to secure some benefits for his own Herrscher.

During the Twelfth Herrscher incident, every human outside Fire Moth was eliminated by nuclear missiles controlled by the Herrscher of Corruption. The Heroes within the base were trapped, while Dr. MEI, Mobius, and Vill-V searched for a way to deal with the Herrscher of Corruption—but first, they needed to find her weakness.

Meanwhile, Sakura, who had fought her way through Fire Moth soldiers and tactical mechs controlled by the Herrscher of Corruption, was heading somewhere. It was the place where her younger sister Rin had once been imprisoned, and also where the Herrscher of Corruption had been born.

As her older sister, she wanted to be by her sister's side.

Rin had always been afraid of the dark. Letting her be locked up there had been the failure of her older