Momoland finally debuted with a song titled "JJan! Koong! Kwang!". On November 10 at midnight KST, MOMOLAND revealed the music video for their debut title track "JJan! Koong! Kwang!" off their first mini album "Welcome to MOMOLAND."
In the music video, the girls welcome you to MOMOLAND, a wonderful and fantastical world complete with Alice in Wonderland-esque optical illusions. The girls are in a colourful outfits and the dance is as quirky as the song and the music video. "Jjan! Koong! Kwang!" is an uplifting track matched with an cheerful beats and cute voices of the members. The colorful MV in which the girls wear lots of dresses covered in macaroons and other delicious sweets really went well with the song.