noun
Aozora Bunko (digital library of Japanese public-domain works)
Proper noun referring to the well-known online library that digitizes and distributes Japanese literary works whose copyright has expired.
青空文庫で夏目漱石の作品を読んだ。
I read a work by Natsume Soseki on Aozora Bunko.
The name 青空文庫 (Aozora Bunko) literally means 'blue sky library', reflecting the open and free nature of the project.