Read manga: Hajimari no Glashma

manga
Summary:

Before wizards or magic, the world was filled with girls. But one day the girls disappeared and now only wizards remain. The Ministry of Internal Affairs and Communication have instituted a system that calls for a national census every five years in order to monitor and assess the growing wizard population. Two full-time agents have been assigned to this task by special appointment of the minister, and now must visit each household! Join them in this tale of bureaucratic bungling in a magical land!