It is time for the Obon Festival in Japan. (It traditionally takes place in mid-August) The challenger is a buddhist monk who prepares vegetarian meals. She is the younger sister of the challenger from Season 2, Sakai vs. Sotetsu Fujii in the Yam Battle
Judges: Tenmei Kanoh, Harumi Inoue, Kotaro Satomi, Asako Kishi
