I traveled through hundreds of worlds at once

There is a very special black building with no doors or windows in the seventh district. The officials of Academy City can ignore all the news about this building.

So a rumor appeared in the urban legend of Academy City that the general chairman who founded Academy City, Aleister Crowley, lived in this building.

There is only one way to enter this building without any entrances and exits, that is, you need a special "guide" to lead you in.

At this time, when Yi Hui just rushed from the thirteenth district to the doorless and windowless building of the seventh district, the "guide" in the urban legend