On June 10, YMC Entertainment revealed Somi as one of the seven members of I.O.I's unit group, slated to promote the group's second single, "Whatta Man" during the summer of 2016.[19] On August 18, it was announced that Somi would be collaborating with I.O.I band mates Choi Yoo-jung and Kim Chung-ha and DIA's Ki Hui-hyeon for the digital single, "Flower, Wind and You" produced by Boi B, which was released on the 29th.[20][21]