In 1615, at the Osaka Natsu no Jin (Summer Siege of Osaka) between the forces of Tokugawa and Toyotomi, because the tea master Muneyoshi KIMURA collaborated at Toyotomi's side, Furuta was implicated in a conspiracy against Tokugawa and forced to commit suicide along with his eldest son.
元和(日本)元年（1615年）、大坂夏の陣で茶堂木村宗喜が豊臣方に内通したため、嫡男とともに自刃させられた。