Rappi Rangai

This story takes place during the civil war in Japan.

There is a mysterious boy with a short horn on his forehead. His life turns upside down after he saves wanted female ninja, who then tells him that she's his servant and he's an emperor. Soon a few more girls appear in his life and the adventure begins. What will happen to him and what kind of weird and wonderful stories lie in front of the small group is for you to find out.

(Source: MU)

Rappi Rangai was published in English as Ninja Girls by Del Rey from August 25, 2009 up until the fourth volume, released on November 16, 2010. Kodansha Comics USA picked up the license and published the volumes 5-9 from May 24, 2011 to March 6, 2012, republishing the previous ones from August 21, 2012 to January 7, 2013.