Listen to 약자가 바꾸는 세상 online. 약자가 바꾸는 세상 is a Korean language song and is sung by Kim Soo Jin. 약자가 바꾸는 세상, from the album 녹두꽃 OST, was released in the year 2019. The duration of the song is 3:00. Download Korean songs online from JioSaavn.