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.

Omamori Himari ran in Fujimi Shobo's Monthly Dragon Age from June 2006 to September 2013,[1] and twelve tankōbon volumes were published between February 7, 2007 and November 9, 2013.

The manga is licensed in North America by Yen Press, with the first volume published on October 26, 2010.

The series revolves around Yuto Amakawa, a seemingly ordinary teenager with a troubled past.

Seven years ago, his parents died in a car accident, leaving him alone without a single relative.

His life takes a surprising turn on his 16th birthday when he meets Himari, a cat demon samurai girl.

Omamori Himari began serialization in the July 2006 issue Fujimi Shobo's manga magazine Monthly Dragon Age (released on June 9, 2006[1]), and concluded its run in the October 2013 issue (released on September 9, 2013), spanning a total of seventy-five chapters throughout.

An official guidebook to the series (sold as Volume 0) was published by Kadokawa Shoten on October 24, 2009.

[13] A bonus two-part side story prologue, called Omamori Himari: Book of the Gaiden (おまもりひまり 外伝の書, Omamori Himari: Gaiden no Sho), also illustrated by Nikubanare, was released by Fujimi Shobo on September 9, 2011.

[14] A light novel adaptation written by Kougetsu Mikazuki and illustrated by Matra began serialization in the July 2008 issue of Fujimi Shobo's Dragon Magazine.

[16] The light novels consists of side stories that differ from the manga's plot, and introduces new novel-exclusive characters.

[20] On August 12, 2016 it was announced that Funimation had licensed the series, a release date is set for November 8, 2016.

[21] Later it was confirmed that Crunchyroll was added the series alongside Time Travel Girl and Three Leaves, Three Colors on their catalog since December 21, 2016.

In North America, Omamori Himari has been featured in The New York Times Manga Best Seller List, with the third volume reaching No.

Omamori Himari has also been featured on Nielsen BookScan's Best-Selling Graphic Novels List, with Volume 7 debuting at No.