Humanity Has Declined

Name: Humanity Has Declined
Genre: Drama, Animation, Adventure, Comedy, Fantasy
Released: 2012
Rating: 8.6
Cast: Mai Nakahara, Unshô Ishizuka, Jun Fukuyama, Miyuki Sawashiro, Hisako Kanemoto

An unnamed girl acts as a mediator between humans and "fairies" after they have become the most prosperous species following the decline of the human population.