Shion's King), subtitled The Flowers of Hard Blood, is a Japanese manga series written by Masaru Katori and illustrated by Jiro Ando.

It has been adapted as a twenty-two episode anime television series by Studio Deen, which aired in Japan between October 2007 and March 2008.

The shock of the tragic incident renders Shion unable to speak, forcing her to communicate by writing on a note pad.

It was serialized between the May 2004 and June 2008 issues of the Japanese seinen manga magazine Monthly Afternoon published by Kodansha.

The anime adaptation of Shion no Ō produced by Studio Deen and directed by Toshifumi Kawase aired in Japan from October 13, 2007, to March 22, 2008, on the Fuji TV television network.