On the 'Star Golden Bell' special of 'Happy Together 3' on August 24, Woosung shared that he madly fell in love with Sunmi in middle school after watching her in Wonder Girls's ''Tell Me'' MV. He explained, ''I thought, 'Wow, daebak,' and even had her on my wallpaper."

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Woosung continued, "Sunmi sunbaenim majored in theater at Dongguk University. So I took an exam for Dongguk University. The #1 reason I applied for that university was Sunmi." He brought laughter as he added, "Unfortunately, I couldn't enroll at Dongguk Unversity."