Rash Behari ended his hide and seek by becoming a Japanese citizen. He married Tosiko, daughter of the Soma family who were sympathetic toward Rash Behari's efforts.
The couple had two children, a boy, Masahide, and a girl, Tetaku. Tosiko died in March 1928 at the age of 28.
Following a conference held in Tokyo on 28th March 1942, it was decided to establish the Indian Independence League. After a few days it was decided to make Subhash Chandra Bose as its president.