"Tell Me" is directed by Sunny Visual, who directed "Undoable" by Jan Dong-eun, "What You Like" bg Lee Gi-kwang, and "Only U" by Laboum.The title track "Tell Me" was written and composed by BLSSD, formerly known as Bee of the songwriting team Rphabet; he wrote the single, the instrumental intro "Begin" and co-wrote "Wind", an ebullient synthpop track.