On February 25th at 6 pm KST, Black Level officially posted their MV teaser for the title track "Infection." 

They have performed Infection on K-Stage, and the song itself was written by members Taeyoung, Intae, and ZE:U. The boys look fierce and stunning in the teaser! Check it out below and make sure to tune in at 6 pm KST February 26th when the full music video drops and the boys officially debut!