Just before Saicho came back from Nitto Guho (traveling the Tang for seeking the teaching of Buddhism), he dropped in Shaoxing City and studied Mikkyo under Jungyo (in the light of Buddhism he belonged to a branch; his date of birth and death unknown) in Ryuko-ji Temple and received kanjo (a ceremony to be the successor).
最澄は入唐求法から帰国する直前、紹興市に寄り、密教を龍興寺の順暁（密教の法灯においては傍流に属する。生没年不明）に学び、灌頂を受けている。