Humanity Has Declined: Complete Season One Collection

All 12 episodes of the Japanese anime set in a post-apocalyptic world where there is a continually dwindling number of humans remaining.

Earth is now dominated by tiny but incredibly intelligent fairies.

A nameless young girl (voice of Mai Nakahara) decides to return to her home town to take over from her grandfather (Unshou Ishizuka) and mediate between the two races to ensure peace prevails, but it is unlikely to be as simple as she hopes...

The episodes are: 'The Fairies' Secret Factory: Part 1', 'The Fairies' Secret Factory: Part 2', 'The Fairies' Subculture: Part 1', 'The Fairies' Subculture: Part 2', 'The Fairies' Homecoming: Part 1', 'The Fairies' Homecoming: Part 2', 'The Fairies' Time Management: Part 1', 'The Fairies' Time Management: Part 2', 'The Fairy's Survival Skills', 'The Fairy's Earth', 'The Fairy's Secret Tea Party: Part 1' and 'The Fairy's Secret Tea Party: Part 2'.