In 615, Eji returned to Goguryeo bearing the Buddhist scriptures Sankyogisho (Three sutras) (Hokekyo (Lotus sutra), Shomangyo (Srimala Sutra) and Yuimagyo (Vimalakirti Sutra)) written by Shotoku taishi.
615年、聖徳太子が著した仏教経典三経義疏（法華経・勝鬘経・維摩経3経の注釈書）を携えて高句麗へ帰国。