In 615, he went back to Goguryeo with Sankyogisho, commentaries for Buddhiest scriptures such as Hokkekyo Sutra, Shomangyo and Yuimagyo written by Prince Umayado.
推古天皇23年（615年）、厩戸皇子が著した仏教経典（法華経・勝鬘経・維摩経）の注釈書三経義疏を携えて高句麗へ帰国した。