In the spring of 1333, while traveling with his teacher Nichimoku, who was to preach Buddhism to the Emperor in Kyoto, Nichimoku died in Tarui in Mino Province along the way and, taking over Nichimoku's will, Nichizon entered Kyoto.
1333年（正慶2年/元弘3年）春、日尊は、師の日目に随って天奏（天皇に仏法を説くこと）にのぞみ、京に向かう途中、美濃の垂井で日目が遷化（死亡）すると、その意志を継いで入洛した。