Omamori Himari (おまもりひまり, lit. Protective Charm Himari), officially abbreviated as OmaHima (おまひま), is a Japanese manga series written and illustrated by Milan Matra. The story revolves around Yuto Amakawa, 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.