Walkin' is the debut mini-album by South Korean singer Suran. It was released on June 2, 2017, by Million Market and distribuited by LOEN Entertainment. It consists of five songs, including "Wine" featuring rapper Changmo, previously released as a digital single, and the title track "1+1=0" featuring singer Dean.
The song Wine was able to be distributed on June 3, 2017. 
It was being distributed on June 2, 2017. If it can be distributed on the 2nd there's no reason it couldn't continue being distributed on  June 3, 2017. 