In the kingdom of Golcon a miracle happens every year. Once a year, when the day of the king's daughter arrives, there is a chance for any commoner to receive a immense sum of money and a paid-for visit to the Afure Castle. On the princess's 16th birthday, a boy named Zaikoto and his family luckily get picked. However, when they arrive to the Afure Castle, it turns out that the princess herself was missing. After being given the option to help the king find his daughter, Zaikoto accepts and a variety of events transpire from there. This is the story of the one who took a step into his future.