I Am Opening a Black Store in a Different World

Crossing into the chaotic system of a kind of different world, the protagonist finds himself in an old guesthouse amidst the chaos. It turns out to be one of the ten absolute realms of the different world: the Land of Demon King’s Waste, and even relates to the guest realm.

From this, it is understood that this world exists among the top ten absolute realms, regardless of whether it is for a daughter or for oneself, the help received from these different realm systems is invaluable.