The Final Side Quest

The bags are packed, the sisters have mentally departed. A peek through the window sets off the final side quest. Unfavourable time, season and location, one sister was convinced the odds were in their favor. They rushed out of Asakusa to commute to Shinjuku. Between government IDs and bag inspections, they found themselves in a metal cuboid—flowing through the building's main artery. 45 floors later on the south side: they see Mount Fuji.