| According to "Nihonshoki", an envoy of Muryeong-wang in the Baekje Kingdom stayed at the facility to seek the cession of four prefectures belonging to Mimana in December 512 and January 513, also introducing the Soyocho (a tax system, corvee). |
『日本書紀』には継体天皇6年（512年）12月に百済武寧王の使者が租庸調を貢献するとともに任那四県の割譲を求めて館に留まったとある。 |