Returning to Korea, she worked for the Young Women's Christian Association, before becoming head of the Chung-Ang Training School for Kindergarten Teachers.

[1][2] Although the Japanese closed the school in 1944, she reopened it the following year, after which she worked to transform it into Chung-Ang University.

She served as a Korean representative at the United Nations from 1946 to 1948,[3] helping draft the resolution that granted South Korea independence.

[1] The following year she contested a by-election to the Constituent National Assembly in Andong, becoming the first South Korean woman elected to parliament (four women had previously been appointed members).

[1] She lost her seat in the National Assembly in 1954,[2] but ran for the vice-presidency again in 1960, finishing last out of four candidates with less than 1% of the vote.