Shiniyuku Kishi, Isekai ni Hibiku Danmatsuma

The long-standing battle between humans and the demons was finally reaching its climax. In the moment when Ultina and the Demon King simultaneously unleashed their attacks, the world underwent a transformation at the hands of the superior races.

In an instant, the newly appeared youth of the superior races trampled over demons and humans alike, eventually even subduing the Demon King. Ultina, desperately trying to buy time to protect Rusha at least, was futile in her efforts, as Rusha was eventually discovered by the youth of the superior races.

In order to save Rusha, Ultina offered her own life.

"Please! I... don't care what happens to me! Cook me, burn me, do whatever you want! Just...!"

Upon hearing this plea, the youth of the superior races made a proposition.

"Can you do anything for that?"

"If you cook meals for us until we leave this world, we might consider letting you go."

Considering Rusha's safety, Ultina couldn't refuse this condition. If she could create dishes that satisfied the youth of the superior races, she might be able to survive. However, driven solely by her concern for the princess, Ultina overlooked one crucial detail.

Their meals were the "life" of this world—

[Translated from the official website]