In 1990s, he was to Controversy, Oppositions of South Korean feminists, feminist movements. In 1999 to 2013, he was take part activity of anti-feminism movement and masculinity movement, libertarian movements. In October until December 1999, he was joint to the movement against to abolition of hojuje(��� ��). hojuje was setting is one representative of the family was this family's one husband or fathers.