 On June 29, 2017, Okonma released the song "Who Dat Boy" featuring ASAP Rocky on a new YouTube channel, following many promotional countdown posts on his social media accounts.Later that night, he released the song on streaming services alongside a new song titled "911 / Mr. Lonely" featuring Steve Lacy, Frank Ocean, and Anna of the North.On July 6, 2017, he announced the title, tracklist and release date of his fourth album, "Flower Boy", which was released on July 21, 2017.