センチメンタル・アンドロイド (Sentimental Android)

Background
"To a utopia where both humans and androids can coexist...!"

Theories of what the song represents varies from a man forced to follow orders only to realize he can become his own person, to a rebellion against humans by androids with the ability to think and feel for themselves.

The video on NicoNico Douga currently has around 85,000 views, and around 400,000 on YouTube's subbed version.

Lyrics
NOTE: At certain points, the lyrics on screen and the sung lyrics differ from one another. At these points, the shown lyrics are written as normal with the sung lyrics next to them in parenthesis in the Japanese lyrics. The Romaji lyrics only have the sung lyrics for clarity.