The Wonder Girls revealed J.Y. Park's reaction to their first self-composed title song "Why So Lonely"!

On the July 6 airing of 'Choi Hwa Jung's Power Time', the Wonder Girls were asked about their peers' reactions to their new song. Sunmi answered, "We were unsure of it too since it is a self-composed song, but J.Y. Park was actually very supportive."

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DJ Choi Hwa Jung then asked to share J.Y. Park's initial reactions, and Lim responded, "He listened to the first verse, and laughed. It was a proud and happy laughter."