Jinrui wa Suitai Shimashita [TV]

It’s been several centuries since human beings declined due to the steep drop in birthrates. The most prosperous species on the Earth are “Fairies”, 10 cm tall creatures with high intelligence. I became a UN arbitrator between the humans and the fairies and returned to my hometown to help my grandfather. I thought my job would not be a tough one and visited one of the fairies’ habitats to say hello to them but…

cover art available here http://www.gogoanime.com/images/jinrui-wa-suitai-shimashita.jpg