In 645, when Iruka was killed in the emperor's presence, the Soga supporters gathers at Emishi's place, but the next day, he committed suicide by setting fire to his residence in the face of Iruka's corpse and Tennoki (a Record of the Emperors) and Kokki (National Record) were destroyed as well.
皇極天皇4年（645年）に天皇の御前で入鹿が殺されると、一時は蝦夷のもとに与する者が集まったが、翌日、入鹿の屍を前に蝦夷は邸宅に火をかけ「天皇記」・「国記」もろとも自殺した。