Afterwards he continued to admire the calligraphy by Kukai and at the age of 58 he moved to Shikoku and stayed in Hagiwara-ji Temple (currently, Hagiwara, Onohara-cho, Kanonji city, Kagawa Prefecture) and copied the treasured 'Kyujosho' by Kukai (stored in Hagiwara-ji Temple, Important Cultural Property).
その後も空海の書を敬慕し続けており、58歳のとき四国に渡り萩原寺（現香川県観音寺市大野原町萩原）に滞在して秘蔵される伝空海「急就章」（萩原寺蔵・重要文化財）を臨模している。