There are eight categories in total for the Seiun Awards: long form fiction, short form fiction, foreign long form fiction, foreign short form fiction, media (film and theater division), manga, art, and non-fiction.
Girls und Panzer der Film (directed by Tsutomu Mizushima) won the Seiun Award for media, while Knights of Sidonia (written and illustrated by Tsutomu Nihei) won the Seiun Award for manga.
The 55th annual Japan SF Convention (nicknamed “Iseshimacon” this year) has announced its slate of winners for the 47th Seiun Awards, and two anime / manga properties took home awards this year.