Peniel on Tuesday unveiled an art-work teaser image for his digital single "FLY23," which will be released on March 31 noon time through BTOB's official SNS.

The teaser image released contained a song name and a public date along with the image of Peniel Illust, which amplified curiosity about the new song.

The digital single "FLY23" is the first of its kind in about two months since the digital single "B.O.D." released in May, drawing fans' expectations for the new appearance of Peniel, who boasts his signature charming and original rap as well as his main dancer-like dance skills within the team.

Meanwhile, Peniel's digital single "FLY23" will be released on various online music sites at 6 p.m. on May 31.