Park Kyung thought Kisum was interested in him?

Park Kyung appeared on MBC's 'Radio Star' on October 5!

On this day, the MCs said to him, "When you heard that Kisum would be here today, we hear that you felt like it was fate." Park Kyung explained, "Zico had appeared on 'Unpretty Rapstar' before as a judge. After filming ended, he told me, 'I found a female rapper who's your style.' That was Kisum. I always liked small and cute girls."

Kisum, however, said, "When I hear Block B, I think of Zico," causing laughter. Park Kyung continued, undeterred, "Because we planned a song for today's 'Radio Star,' we exchanged numbers. I contacted her, but she called me 'oppa' from the very beginning, so I thought she had interest in me."

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Kisum, taken aback, said, "Then what would I call you?" and he replied, "Isn't it weird if she calls me 'oppa' right away?"  Kisum said, "I called you that because you're the same age as my actual oppa."

Oh, Park Kyung. Perhaps searching for signs that aren't there? Then again, there does seem to be a gradual process of eventually talking informally and calling someone oppa or the likes. Gets confusing!