Shinigami wo Tabeta Shoujo

is a light novel series by Nanasawa Matari with illustrations by Chomoran. It began as a web novel, but was later licensed and published by Enterbrain on December 15, 2012.

Plot
A fantasy war chronicle following a bloodstained girl as she races through the battlefields.

The girl who was born in a poor village, Shera, saw a “tasty-looking​” Death God behind the Liberation Force soldier who was attacking her. Shera ate the Death God before it could bring down its scythe on her.

She went on to become a soldier of her Kingdom’s Royal Army. With a giant scythe in her hands, she fought to destroy her enemy, the Imperial Army — And more importantly, to obtain delicious food.

Official

 * Web Novel (Japanese)

Other Sources

 * Light Novel:
 * Wikipedia (Japanese)
 * Web Novel (English)
 * Light Novel (English)