He consulted with the Ouchi clan and broke down early wako (Japanese pirates), then he sent back people from Goryeo abducted by wako to their homeland and he looked for "Daizokyo-kyo Sutra"(the Tripitaka).
大内氏にも呼びかけて倭寇(前期倭寇)を鎮圧し、倭寇に拉致された高麗人の送還などを行い、『大蔵経』を求める。