Another World Company

In this world, there is a company called "Another World". In an infinitely cyclic world with the same level, they shuttled back and forth, constantly blocking unknown life forms from the outside world. Some of them are like mythical creatures, and some are products of fantasy. In the endlessly extending levels, humans only occupy "001. World" and "002. Company". In addition to protecting ordinary people, the employees of the alien company also have a more secret mission...