[1] Pious beliefs claim that he will someday leave the state of Nirvana to usher conversion of the Emperor of Japan and the widespread propagation of Nichiren Shoshu Buddhism.
[citation needed] Today, the Mokushiza seat inside the Dai-Kyakuden (English: Grand Reception Hall) of Taisekiji Head Temple is named in honor of Nichimoku Shōnin.
In 1333, Nichimoku died at age 74, and his cremated remains are stored within Taisekiji, while the anniversary of his death on November 15 coincides with the Shichi-Go-San tradition for young children called Mokushi-E ceremony, later popularized during the Edo period.
[1] At the age of thirteen, he entered the Shingon Enzobo temple, a center that focused on teaching the principle of the master and disciple relationship, as it commonly applied to mostly Samurai warriors.
[1] In 8 April 1276, (age 14), he entered the priesthood and embraced the Dharma at Mount Soto Temple; he upheld Nikkō Shōnin as his master and received the disciple name of Kunaikyo-Kimi.
[2] Today, a similar custom is performed by younger Nichiren Shoshu priests in training, upon which they fetch early morning water at a nearby river for the Dai Gohonzon image.
[citation needed] At age 74, Nichimoku continued to warn and remonstrate against the Kamakura imperial authorities and his frequent travels under difficult conditions worsened his already poor health.
Nevertheless, he considered it his mission to present Nichiren's treatise Risshō Ankoku Ron (立正安国論) (On Securing the Peace of the Land through the Propagation of True Buddhism) to Emperor Go-daigo in person, which failed.
[citation needed] According to pious hagiography, Nichimoku Shōnin's deathbed poem read as follows: "Generations shall pass And our determination shall grow At the foot of Mount Fuji
Among believers, the anniversary of his death on November 15 is associated with the Shichi-Go-San tradition for young children of receiving sweets and money, which was later popularized during the Edo period, now called the Mokushi-e ceremony.