The "Big Sister Girl Group" SunnyHill has given off a deadly charm through a teaser image ahead of their comeback.

BOD Entertainment released a teaser image of Sunny Hill, which released its new mini-album "NomNomNom" and resumed activities on Oct. 24, drawing the attention of fans.

In the released photo, SunnyHill unleashed a deadly, chic atmosphere, signaling the birth of a "new SunnyHill." Also, all four members admired those who showed off their mature and sophisticated visuals.

As Sunny Hill is called a "Big Sister Girl Group" among netizens, it is expected that they will be able to showcase their colorful looks based on his age in the future.

SunnyHill was originally scheduled to release the new song on Oct. 22 but postponed the comeback schedule to Oct. 25 to show fans a more perfect performance, including the second half of the music video.

SunnyHill's new song "NomNomNom," which will be coming back after about three years of restorations, is a cool song that blows "counterpunch" to all the strange people in the world, including absurd things, hateful work bosses, and frustrating reality. In particular, hit-maker songwriter Park Geun-Tae and representative Korean lyricist Kim Ea-na take part, foreshadowing the birth of a new hit.

SunnyHill released its new song "NomNomNom" on various music sites at on Oct. 25 and engage in brisk activities through music broadcasts and other programs.