omamori himari

おまひま おまもりひまり

Also known as OmaHima (おまひま).

A manga series written and illustrated by Matra Milan. The story revolves around Amakawa Yuto, an orphan who, on his sixteenth birthday, meets Himari, a cat spirit samurai girl who has sworn an oath to protect Yuto from the various monsters and demons that are out to kill him.