Nemuri Hime no Nemuranu Yoru ni...

In the year 1339, an 18-year-old princess goes to sleep, and she fails to awaken for over six months. Meanwhile, her father and brother are both killed at war, and the kingdom is on the verge of being conquered. The main character is a curse specialist called in to awaken the sleeping beauty by the end of the summer solstice festival, one week away. He decides to use whatever means possible to accomplish his goal...