The original singer of this song is Su Wa.

According to NetEase Cloud Music query, the original singer of "Blind Boy" is Su Wa, with lyrics and music composed by Zhao Jiang. Mu Muhu re-arranged and produced it and sang it by Park Hye-ja. The song was released in 2019 October 17th.

Some of the songs are as follows: If you really can’t see clearly, squint your eyes. If you are really tired, don’t cry. The blind boy who wants some warmth huddles in the dark corner, silent lips and The hurried pace of the crowd.