The institution evolved on the principle of "Buddhist-based human education," moving in 1929 to its present location in Nishitōkyō, Tokyo and becoming Musashino Women's University.
With Takakusu Junjiro and Nanjo Bunyu, Kasahara went to Great Britain in 1876 Oxford under the academic guidance of Max Müller in order to study Sanskrit and Pali texts for a more authentic understanding of Buddhist teachings from their original languages as they had previously only used Chinese texts that were possibly dubious translations.