Eisai Fukui, is a 16 year old Buddhist prodigy. Eisai is the youngest monk in his monastery, and if he can make it through seven days of fasting and meditation atop Mt. Fuji, he can achieve enlightenment, and become the next "Buddha." However, there is one problem; Eisai is plagued by mysterious visions. Eisai soon learns that his visions are much more real than he ever realized.