He strayed from Yoshihiro and his party during the backdown from Sekigahara and hid away in Kurama, where he was discovered by Naotomo YAMAGUCHI, Ochiudo Sengi yaku (a role of investigation into the fleeing warrior) of Ieyasu and taken as prisoner of war of the Eastern Camp.
関ヶ原からの退却途中で義弘一行とはぐれ、鞍馬に潜伏、そこで家康の落人詮議役であった、山口直友に見つかり、東軍の捕虜となった。