At age 16, a tomboy princess, Princess Anmitsu, has no love interest in her life and worries her parents. Despite their concern, Anmitsu runs away from the castle to venture into the commoners' life. During her daring adventure, she befriends a group of children who make a living by pick-pocketing. At the same time, she finally meets her prince charming Senbei, the leader of the group. However, she soon finds herself in an awkward position when she learns of the children's new plot: they are planning to steal the treasures from her own castle. Will she be able to put a stop to it without revealing her true identity?

Since her last adventure, Anmitsu Hime now goes to town every night in order to rid it from evildoers, much to her mother's disappointment. Meanwhile, Amaguri just learned that his mother is still alive and that she is in the country of Kira Kira. And so, Anmitsu Hime has decided to travel 730 miles in order to find Amaguri's mother