Haibane Renmei - Season 1 Episode 5 Library / Abandoned Factory / The Beginning of the World
Overview: Rakka goes to work with Nemu at the library. There she meets Sumika, a kindly pregnant woman who is interested in Rakka's perspective as a newborn. Nemu tells Rakka about an old, unreadable book called The Beginning of the World. Rakka learns about another group of Haibane, both male and female, living in Abandoned Factory on the other side of town.