To report activity that may involve sex trafficking or for vicitms to find immediate help within Korea call: 

Korean Women's Hotline: +82-2-2269-2962 
Concerning Sex Trafficking Phone: 1366 or 117
Child Abuse Hotline: 129
Emergency Support for Migrant Workers in Korea: 1577-1366
(Vietnamese, Chinese, English, Tagalog, Russian, Mongolian, Thai, Japanese)
Suicide Hotline: 1577-0199 and English and Korean Website

You can visit HOPE Be Restored's website here.