Hyorin had featured on the hip-hop duo's track "Hot Wings" on their 7th album 'Luckynumbers'. When the pair came out onto the July 11 show of�KBS Radio Cool FM's 'Hong Jin Kyung's 2 O' Clock', the DJ asked them, "Didn't you develop feelings for Hyorin while you were recording with her?"

Choiza answered honestly, "Of course I did. How can you not develop feelings when you're working with SISTAR's Hyorin?"

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DJ Hong Jin Kyung�then asked, "If she asks you out, would you date her?", and he answered immediately, "Realistically, I don't think she'd ask me out. But I don't think there are many men in Korea who'd say no if Hyorin asks them out."

Gaeko�added, "On the day Hyorin came to record,�I've never seen Choiza come so early to the studio for a recording like he did that day."