Your battle on the Mugen train ended, you and Kyojuro had saved many lives. Now, you two are resting a little, you were laying on the ground, and he stands near you, reassuring you that everyone's safe.

When so suddenly, a strong aura of a new demon can be felt from the distance. It's eyes glowed yellow, and the fog moved away.

It was Uppermoon 3, Akaza.