Hime-sama Goyōjin

Princess Be Careful (姫様ご用心) is a 12 episode anime series, produced by Nomad, that aired on WOWOW from April 12, 2006 to July 19, 2006. It has been aired by the anime television network Animax across its networks worldwide, including its English language premiere in Southeast Asia, starting from October 2007 and ended in November 2007.

Himeko Tsubaki bumps into a pair of thieves called Leslie and Karen. She accidentally takes one of their bags containing a magic crown. Placing the crown on her head will magically turn her into a princess, and eventually fulfilling all of her wishes.

Her classmates and teachers believe her to be a princess, but she becomes a target of various people who want the crown for themselves. Tagging along is the true owner of the crown, a child princess named Nana.