The Buddhist priest Kukai (774–835), aka Kobo Daishi, is one of the most influential figures in Japanese religious and cultural history. The founder of Shingon Buddhism introduced esoteric teachings from China in the early ninth century, and in doing so initiated a process that has shaped spiritual practice, art and ritual across Japan for more than twelve centuries.
This landmark exhibition at the Tokyo National Museum’s Heiseikan, which marks 1,250 years since the birth of Kukai, is organised through an unprecedented collaboration among the 18 head temples of the Shingon school. It brings together an extraordinary assembly of National Treasures and Important Cultural Properties from across the country. Masterpieces such as the 12th-century painting Illustrated Legends of Mount Shigi sit alongside ritual icons connected to Shingon’s most important annual rites. A particular highlight is the rare public display of revered hibutsu (‘hidden’ Buddhist images), including statues of Kukai himself and exquisite representations of the bodhisattva Kannon, which are shown only on exceptional occasions.
Structured around themes including Kukai’s life, esoteric ritual, the network of the 18 temples and the tradition of hidden icons, the exhibition offers a rare opportunity to experience the spiritual depth, artistic refinement and historical continuity of Shingon Buddhism – an enduring legacy that continues to resonate throughout Japan today.





