Jinrui wa Suitai Shimashita

The plot unfolds in the history of the Earth, when most of humanity has died out and the planet is now inhabited by fairies - big sweet tooth with a high level of intelligence growth of only 10 centimeters. One of the main characters of history bears the greater responsibility as an international arbiter between fairies and humans. She chose this job, thinking that she would not have much to do and even at the age of his grandfather, it will easily cope with it. However, in actual fact it turned out that this work is what you want, but not easy.