Inukai Tsuyoshi
Sōma also provided support to the pan-Asian movement, and his salon provided a convenient and confidential meeting place for politicians, including Toyama Mitsuru, Inukai Tsuyoshi and others. Sōma provided shelter for Rash Behari Bose, the fugitive head of the Indian independence movement. Bose was the mastermind behind a number of bomb plots against the Viceroy of India and attempts to organize an uprising against the British Raj. Bose married Sōma’s daughter Toshiko in 1918.