Hani's singing partner on 'Duet Song Festival' confessed that he thought that the idol was an angel! 

On the December 23 installment of MBC's 'Duet Song Festival,' Hani and her partner, Chae Chang Wook, sang an upbeat song together to capture the audience. 

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After the performance, the team shared a behind-the-scenes story. Hani's partner said, "I thought Hani was an angel. She was smiling when we were practicing. Every time she smiled, she just glowed." 

Hani responded to the compliment by thanking him for making good memories with her, and Chae Chang Wook gifted her with vitamin candies!