Mahou Tsukai no Oshigoto

In the year 20XX, Japan began experiencing strange occurrences as a mysterious "hole" connected other worlds to its own. Various beings, including magicians, demons, robots, and fantasy creatures, began appearing and remained unable to return. Over time, Japan adjusted to these visitors, and their presence became routine. An unfortunate witch named Henrietta was drawn through the "hole" and found herself stranded in modern Japan with no means of going back. The story explores how she manages to live in this unfamiliar world.