.sva is Manga Browser Comic File
Key Features: .SVA File Extension
What is an .SVA file?
File used by Manga Browser for SHONEN JUMP, a program used to view manga comics; contains a collections of manga images arranged in order by comic book page; also contains title, author, and publisher information.
SVA files may also be viewed with the Manga Browser application, which is available for some mobile phone platforms, including Android.
Shonen Jump is a popular manga magazine that has been published in many different editions since 1969. VIZ Media now distributes some editions online.