However, the "Nihonshoki" (Chronicles of Japan) or the"Kojiki" (The Records of Ancient Matters) didn't contain any records of envoys to or from China before ken-suishi (Japanese official diplomatic delegations sent to China during the Sui dynasty).
『日本書紀』、『古事記』には遣隋使以前に中国へ使節を送った記録も、迎えた記録も無い。