 These included "Kyoseikikoku" (Compulsory Extradition), about the rights of migrant Korean workers and "Kambu joko no namida" (Tears of a Forewoman).In 1932 she joined the outlawed Japan Communist Party (JCP).She became close to JCP leaders Kenji Miyamoto and Takiji Kobayashi, the former imprisoned until 1945 and the latter tortured to death by police in 1933.