japanese/aobook: New port: Aozora Bunko Text Viewer

Aozora Bunko is a Japanese digital library. This online collection
encompasses several thousands of works of Japanese-language fiction
and non-fiction. These include out-of-copyright books or works that
the authors wish to make freely available.
PR: 278660
Reported by: mew14930xvi <mew14930xvi@inbox.lv>