FNC Entertainment's rep told OSEN on January 27, "Chanmi, Hyejeong and Yuna will promote as a unit group. They are planned to release a new song in February. We ask for a lot of anticipation." On the 31st of January they announced that the new sub-unit was called AOA Cream and that they would make their debut on 12 February. On the next day they released the teasers on their official page. The title track "I'm Jelly Baby" was composed by Black Eyed Pilseung.