For a recent interview with My Daily, IOI talked more about their 'sexy' concept for "Whatta Man," which was actually meant to be a 'girl crush' concept. 

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Jeon So Mi in particular, who is only 15 years of age, said, "Seeing that I only completed elementary and middle schools, I can't really do 'sexy' that well," bringing laughter. 

Choi Yoo Jung elaborated, "We came back with a girl crush concept but we were worried that it might seem sexy instead. As expected, there were people who thought that it was a sexy concept, but we didn't try to be sexy. But as we continued to promote and showcased our performances, they all recognized our girl crush concept and praised us, so that's a relief." 

Meanwhile, IOI is currently preparing for an October comeback as a whole. So Mi spared little details, saying, "We're currently preparing diligently [for our new album]. We're not sure what concept we will be coming back with. We might show an adorable side like 'Dream Girls.'" 

What concept would you like IOI to take on next?