Rent Haibane Renmei (2002 - 2002)

Haibane Renmei is a Japanese animated fantasy drama TV series centered on a young girl named Rakka – an angel-like creature named haibane, who along with her friends, lives in the city of Glie. Glie is not like any other cities – it has a single gate through which only a group named the Toga are allowed to exit or enter, and also holds numerous secrets which Rakka and her friends are eager to explore.