Please Jinrui Wa Suitai Shimashita - Yousei, Shimasu Ka?
Other name: Humanity Has Declined ; 人類は衰退しました ようせい、しますか？
Authors: Kichijou Terae ,
Genres: Comedy Manga, Fantasy Manga, Seinen Manga, Supernatural Manga,
Summary:
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...
